Dyfyniad APA

Reader's digest. (1980). Secrets of the Past. Berkley Publishing.

Dyfyniad Arddull Chicago

Reader's digest. Secrets of the Past. New York: Berkley Publishing, 1980.

Dyfyniad MLA

Reader's digest. Secrets of the Past. Berkley Publishing, 1980.

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