Dyfyniad APA

Walker, S. (1975). Learning and Reinforcemant. Methuen.

Dyfyniad Arddull Chicago

Walker, Stephen. Learning and Reinforcemant. London: Methuen, 1975.

Dyfyniad MLA

Walker, Stephen. Learning and Reinforcemant. Methuen, 1975.

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