Dyfyniad APA

Freud, S. (1991). Jokes and their relation to the unconscious. Penguin Books.

Dyfyniad Arddull Chicago

Freud, Sigmund. Jokes and Their Relation to the Unconscious. England: Penguin Books, 1991.

Dyfyniad MLA

Freud, Sigmund. Jokes and Their Relation to the Unconscious. Penguin Books, 1991.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.