Freud,Sigmund, & Richards,Angela. (1970). On sexuality: Three essays on the theory of sexuality and other works. Penguin.
Čikaški stil citiranja (17. izdanje)Freud,Sigmund, i Richards,Angela. On Sexuality: Three Essays on the Theory of Sexuality and Other Works. Harmondsworth,: Penguin, 1970.
MLA način citiranja (8. izdanje)Freud,Sigmund, i Richards,Angela. On Sexuality: Three Essays on the Theory of Sexuality and Other Works. Penguin, 1970.
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