Strong, B., DeVault, C., & Sayad, B. W. (1999). Human sexuality: Diversity in contemporary America (Third edition.). Mayfield Pub..
Dyfyniad Arddull ChicagoStrong, Bryan, Christine DeVault, and Barbara Werner Sayad. Human Sexuality: Diversity in Contemporary America. Third edition. Mountain View, Calif.: Mayfield Pub., 1999.
Dyfyniad MLAStrong, Bryan, et al. Human Sexuality: Diversity in Contemporary America. Third edition. Mayfield Pub., 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.