1. Ainsworth, M. D. S., Blehar, M. C., Waters, E., & Wall, S. (1978). Patterns of Attachment: A Psychological Study of the Strange Situation. Lawrence Erlbaum.
2. Asendorff, J. (2002). Editorial: The puzzle of personality types. European Journal of Personality, 16.
3. Bakermans-Kranenburg, M. J., & Van IJzendoorn, M. H. (2016). Attachment, parenting, and genetics. In J. Cassidy & P. R. Shaver (Eds.), Handbook of Attachment: Theory, Research, and Clinical Applications. Guilford Press.
4. Barkow, J. (1980). Prestige and self-esteem: A biosocial interpretation. In D. R. Omark, F. F. Strayer, & D. G. Freedman (Eds.), Dominance Relations: An Ethological View of Human Conflict and Social Interaction. Garland STPM Press.
5. Baumeister, R. F., & Leary, M. R. (1995). The need to belong: Desire for interpersonal attachments as a fundamental human motivation. Psychological Bulletin, 117, 497–529.