1. Adams, M. (1976). Single blessedness: Observations on the single status in married society. New York: Basic Books.
2. Ainsworth, M. D. S. (1991). Attachments and other affectional bonds across the life cycle. In C. M. Parkes, J. Stevenson-Hinde, & P. Marris (Eds.), Attachment across the life cycle (pp. 33-51). New York: Routledge.
3. Sibling Solidarity
4. Amador, X. & Kiersky, J. (1998). Being single in a couples' world: How to be happily single while looking for love. New York: Free Press.
5. The Consequences of Divorce for Adults and Children