Freud, S., & Dickson, A. (1985). Art and literature: Jensen's Gravida, Leonardo da Vinci and other works. Penguin.
Lua i Stíl Chicago (17ú heag.)Freud, Sigmund, agus Albert Dickson. Art and Literature: Jensen's Gravida, Leonardo Da Vinci and Other Works. Harmondsworth: Penguin, 1985.
Lua MLA (8ú heag.)Freud, Sigmund, agus Albert Dickson. Art and Literature: Jensen's Gravida, Leonardo Da Vinci and Other Works. Penguin, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.