Freud, S., Richards, A., & trachey, J. (1979). On sexuality: Three essays on the theory of sexuality and other works (Reprinted.). Penguin.
Lua i Stíl Chicago (17ú heag.)Freud, Sigmund, Angela Richards, agus James trachey. On Sexuality: Three Essays on the Theory of Sexuality and Other Works. Reprinted. Harmondsworth: Penguin, 1979.
Lua MLA (8ú heag.)Freud, Sigmund, et al. On Sexuality: Three Essays on the Theory of Sexuality and Other Works. Reprinted. Penguin, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.