Dyfyniad APA

Robert D Smither. (1998). Psychology of work and human performance (ed.3.). Longman.

Dyfyniad Arddull Chicago

Robert D Smither. Psychology of Work and Human Performance. ed.3. New York: Longman, 1998.

Dyfyniad MLA

Robert D Smither. Psychology of Work and Human Performance. ed.3. Longman, 1998.

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