Dyfyniad APA

Levinsion, H. (1989). Phobia free: A medical breakthrough linking 90. M. Evans.

Dyfyniad Arddull Chicago

Levinsion, Harold. Phobia Free: A Medical Breakthrough Linking 90. M. Evans, 1989.

Dyfyniad MLA

Levinsion, Harold. Phobia Free: A Medical Breakthrough Linking 90. M. Evans, 1989.

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