Mike Allen, Dave D'Alessio, Keri Brezgel, "A Meta-Analysis Summarizing the Effects of Pornography II: Aggression After Exposure," Human Communication Research Vol. 22, No. 2 (1995), p. 273.

Edward Donnerstein, Daniel Linz, and Steven Penrod, The Question of Pornography: Research Findings and Policy Implications (1987), The Free Press - A Division of MacMillan, Inc., Chap. 3, p.44-49, 52.

F.M. Christensen, Pornography The Other Side (1990), Praeger Publishers, p. 135-136.