Lua APA (7ú heag.)

Ray, W. J. (1997). Methods toward a science of behavior and experience (5th ed.). Thompson.

Lua i Stíl Chicago (17ú heag.)

Ray, William J. Methods Toward a Science of Behavior and Experience. 5th ed. Pacific Grove,Calif: Thompson, 1997.

Lua MLA (9ú heag.)

Ray, William J. Methods Toward a Science of Behavior and Experience. 5th ed. Thompson, 1997.

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