Dyfyniad APA

Book, W. F. (1932). Economy and technique of learning. D. C. Heath.

Dyfyniad Arddull Chicago

Book, William Frederick. Economy and Technique of Learning. Boston: D. C. Heath, 1932.

Dyfyniad MLA

Book, William Frederick. Economy and Technique of Learning. D. C. Heath, 1932.

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