APA aipamena

Sigmund, F. (1977). On sexuality. Penguin books.

Chicago Style aipamena

Sigmund, Freud. On Sexuality. Penguin books, 1977.

MLA aipamena

Sigmund, Freud. On Sexuality. Penguin books, 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.