APA stil citiranja
Humphrey, G. (1951). Thinking: Thinking : an introduction to its experimental psychology. London: Methuen and company.
Chicago stil citiranjaHumphrey, George. Thinking: Thinking : an introduction to its experimental psychology. London: Methuen and company, 1951.
MLA stil citiranjaHumphrey, George. Thinking: Thinking : an introduction to its experimental psychology. London: Methuen and company, 1951.
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