Townsend, J. C. (1953). Introduction to experimental method: For psychology and the social science. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Townsend, John C. Introduction to Experimental Method: For Psychology and the Social Science. McGraw-Hill, 1953.
Lua MLA (8ú heag.)Townsend, John C. Introduction to Experimental Method: For Psychology and the Social Science. McGraw-Hill, 1953.
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