Dyfyniad APA

Freud, S. (1920). A general introduction to psychoanalysis. New York: Garden City Publishing Company, Inc.

Dyfyniad Arddull Chicago

Freud, Sigmund. A General Introduction to Psychoanalysis. New York: Garden City Publishing Company, Inc, 1920.

Dyfyniad MLA

Freud, Sigmund. A General Introduction to Psychoanalysis. New York: Garden City Publishing Company, Inc, 1920.

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