B. Tinglof and C. , Les jumeaux et multiples de 3 à 18 ans : guide patiue à l'usage des parents, 2007.

C. Barriol and C. Garitte, Le langage des enfants jumeaux de trois ans : impact du sexe et de la nature de la dyade g??mellaire, Devenir, vol.23, issue.3, pp.271-285, 2011.
DOI : 10.3917/dev.113.0271

C. Bouchet, F. Guillemin, T. H. Hoang-thi, and A. Cornette, Validation du questionnaire Saint George pour mesurer la qualité de vie chez les insuffisantes respiratoires chroniques, Revue des Maladies Respiratoires, vol.13, pp.43-46, 1996.

U. Castiello, C. Becchio, S. Zoia, C. Nelini, L. Sartori et al., Wired to Be Social: The Ontogeny of Human Interaction, PLoS ONE, vol.78, issue.10, p.13199, 2010.
DOI : 10.1371/journal.pone.0013199.t003

A. K. Foy, P. A. Vernon, and K. Jang, Examining the Dimensions of Intimacy in Twin and Peer Relationships, Twin Research, vol.4, issue.6, pp.443-452, 2001.
DOI : 10.1375/1369052012777

M. N. Himbert, A. Kahn, and N. Tavernier, Le mystère des jumeaux, 2009.

F. J. Neyer, Twin Relationships in Old Age: A Developmental Perspective, Journal of Social and Personal Relationships, vol.54, issue.2, pp.156-177, 2002.
DOI : 10.1177/0265407502192001

V. Penninkilampi-kerola, I. Moilanen, and J. Kaprio, Co-twin dependence, social interactions, and academic achievement: A population-based study, Journal of Social and Personal Relationships, vol.25, issue.4, pp.519-541, 2005.
DOI : 10.1177/0265407505054521

A. Piontelli, Twins: From fetus to child, 2002.

J. Pons, C. Charlemaine, and E. Papiernik, Le guide des jumeaux La gémellisation de l'eeioeeeet phsiue des jueauu: attitudes et patiues ateeeelles, Enfance, vol.46, issue.4, pp.393-406, 1993.

M. Rufo, FFFes et soeuus, UUe aladie d'aou Similarities and differenes etee adolesseet oozgoti aad dzgoti tis' quality of the sibling relationship, Dissertation Abstracts International Section A: Humanities and Social Sciences, vol.68, issue.10, p.4201, 2002.

C. Tancredy and C. Fraley, The nature of adult twin relationships: An attachment-theoretical perspective., Journal of Personality and Social Psychology, vol.90, issue.1, pp.78-93, 2006.
DOI : 10.1037/0022-3514.90.1.78

C. Tourrette, M. Robin, and D. Josse, Les pratiques éducatives des mères de jumeaux: une iestigatio paa l'aaalse faatoielle des oespodaes. L'AAe Psychologique, pp.545-561, 1988.

J. C. Unally, Psychometric theory, 1978.