Gnagey, W. J. (1972). Learning environments: Readings in educational psychology. Holt, Rinehart and Winstin.
シカゴスタイル引用形Gnagey, William J. Learning Environments: Readings in Educational Psychology. New York: Holt, Rinehart and Winstin, 1972.
MLA引用形式Gnagey, William J. Learning Environments: Readings in Educational Psychology. Holt, Rinehart and Winstin, 1972.
警告: この引用は必ずしも正確ではありません.