Dyfyniad APA

Katchadourian, H. A. (1989). Fundamentals of human sexuality (5th ed.). Harcourt Brace Jovanovich College Pub..

Dyfyniad Arddull Chicago

Katchadourian, Herant A. Fundamentals of Human Sexuality. 5th ed. Fort Worth: Harcourt Brace Jovanovich College Pub., 1989.

Dyfyniad MLA

Katchadourian, Herant A. Fundamentals of Human Sexuality. 5th ed. Harcourt Brace Jovanovich College Pub., 1989.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.