Strong, B., DeVault, C., & Sayad, B. W. (1999). Human sexuality: Diversity in contemporary America (Third edition.). Mayfield Pub..
Lua i Stíl Chicago (17ú heag.)Strong, Bryan, Christine DeVault, agus Barbara Werner Sayad. Human Sexuality: Diversity in Contemporary America. Third edition. Mountain View, Calif.: Mayfield Pub., 1999.
Lua MLA (8ú heag.)Strong, Bryan, et al. Human Sexuality: Diversity in Contemporary America. Third edition. Mayfield Pub., 1999.
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