Bouvier, Leon. Fifty Million Californians? Washington, D.C.: Federation for American Immigration Reform, 1991.
CAPS (Californians for Population Stabilization) (1995, October 16). _grades articls_, [e-mail to Vince Busam], [Online]. Available e-mail: firstname.lastname@example.org.
China News Digest (1995, October 17). _China Warns of Ag. Crisis_, [e-mail to Vince Busam], [Online]. Available e-mail: email@example.com.
Ehrlich, Paul R. and Anne H. Ehrlich. The Population Explosion. New York: Simon & Schuster, 1991.
Hanson, Jay (1995, November 2). _Who Will Feed China?_, [e-mail to Vince Busam], [Online]. Available e-mail: firstname.lastname@example.org.
Johnson, Howard. "Overpopulation Linked to U.S. Prosperity Decline." 1995, August 14. [Online]. Available: http://www.iti.com/iti/kzpg/press1.html.
Marshall, Alex. "Busting the boom: Population control works; but continued progress needs more funding." World Paper. April 1991: 11-12 S.I.R.S. "Population" 29.
McCuen, Gary E. Population & Human Survival. Hudson, Wisconsin: Gary E McCuen Publications, Inc., 1993.
Mings, Turley. The Study of Economics: Principles, Concepts & Applications. Guilford, Connecticut: The Dushkin Publishing Group, Inc., 1995.
Oberlink, Ric, J.D. "Population and Representation." CAPS Newsletter, Winter 1995. Vol. 26, page 5.
"Population." Microsoft Encarta. 1995 ed.
"Population." World Book Encyclopedia. 1986 ed.
Phillips, Jamie (1995, October 17). _Social impacts of population growth_, [e-mail to Vince Busam], [Online]. Available e-mail: email@example.com.
Turbak, Gary. "Tick... Tick... Tick..." American Legion Magazine. July 1992: 20 S.I.R.S. "Population" 52.
United Nations Population Divison: Department for Economic and Social Information and Policy Analysis. "World Population Growth from Year 0 to Stablization." 1994, July 7. [On-line]. Available: http://www.iti.com/iti/kzpg/milestones.html.
The Universal Almanac. Kansas City, Andrews and McNeel, 1994.
Verburg, Peter. "The Threat of Population is a Myth." Alberta Report. 1994, September 26: 42-43 S.I.R.S. "Population" 98.
Watanabe, Teresa. "In Japan, You Spell Birth Control: C-O-N-D-O-M" Los Angeles Times. 1994, August 23: H1 S.I.R.S. 95b.
Wright, Robin. "The Fuse Still Sizzles on World Population Bomb." Los Angeles Times. 1994, August 23: H1 S.I.R.S. 95a.