WILSON, EDWARD, On, Human Nature, Cambridge, Mass: Harvard University Press. ١٩٧٨.
WINCH, TOBERT F. Mate Selection: A Study of complimentary Needs. New York: Harper, ١٩٨٥.
YORBUTG, BETTY, Sexual Identiy: Sex Roles and Social Change. New York: Wiley, ١٩٧٤.
_______________. The Nuclear and the Extended Family: An Area of Conceptual Confusion. Joutnal. of Comparative Family Studies ٦, Spring ١٩٧٥, pp. ٥ – ١٤.
_______________. Families and Societies: Survival or Extinction? New York: Columbia University press, ١٩٨٣.
ZIMMERMAN, CARLE C Family and Cicilzation. New York: Harper, ١٩٤٧.