Dyfyniad APA

Psychology... & [et.all], G. A. F. (1948). Psychology for living. McGraw-Hill, Inc.

Dyfyniad Arddull Chicago

Psychology... and Garlie A. Forehand [et.all]. Psychology for Living. McGraw-Hill, Inc, 1948.

Dyfyniad MLA

Psychology... and Garlie A. Forehand [et.all]. Psychology for Living. McGraw-Hill, Inc, 1948.

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