1Barash, David P. and Judith Eve Lipton. Gender Gap: The Biology of Male-Female Differences. Transaction Publishers, 2001.
2“Father’s Day: June 21, 2009.” U.S. Census Bureau. Accessed: April 13, 2009.
3“Homicide Trends in the U.S.” U.S Department of Justice. Accessed: May 21, 2009.
4Kipnis, Aaron. Angry Young Men: How Parents, Teachers, and Counselors Can Help Bad Boys Become Good Men. Jossey-Bass, 1999.
5Oxford English Dictionary, 2nd ed. s.v. “man.”
6Reskin, Barbara F. and Irene Padavic. Women and Men at Work. Los Angeles, CA: Sage Publications, 2002.
7Simon, Harvey B. The Harvard Medical School Guide to Men's Health: Lessons from the Harvard Men's Health Studies. New York, NY: Free Press, 2004.
8Stephenson, Bret. From Boys to Men: Spiritual Rites of Passage in an Indulgent Age. Rochester, VT: Inner Traditions International, Limited, 2006.