Dyfyniad APA

Detective Book Club. (1940). [Collection no.2. Detective Book Club.

Dyfyniad Arddull Chicago

Detective Book Club. [Collection No.2. New York: Detective Book Club, 1940.

Dyfyniad MLA

Detective Book Club. [Collection No.2. Detective Book Club, 1940.

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