APA-viite (7. p.)
Diamond, J. Why is Sex Fun?: The Evolution of Human Sexuality. Basic Books.
Chicago-viite (17. p.)
Diamond, Jared. Why Is Sex Fun?: The Evolution of Human Sexuality. Nueva York, EUA: Basic Books.
MLA-viite (9. p.)
Diamond, Jared. Why Is Sex Fun?: The Evolution of Human Sexuality. Basic Books.
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