Humphrey, G. (1951). Thinking: An introduction to its experimental psychology. Methuen.
Chicagoスタイル(17版)引用形式Humphrey, George. Thinking: An Introduction to Its Experimental Psychology. London: Methuen, 1951.
MLA(8版)引用形式Humphrey, George. Thinking: An Introduction to Its Experimental Psychology. Methuen, 1951.
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