Book, W. F. (1932). Economy and technique of learning. D. C. Heath.
Chicagoスタイル(17版)引用形式Book, William Frederick. Economy and Technique of Learning. Boston: D. C. Heath, 1932.
MLA(8版)引用形式Book, William Frederick. Economy and Technique of Learning. D. C. Heath, 1932.
警告: この引用は必ずしも正確ではありません.