Dyfyniad APA

Smither, R. D. (1998). The psychology of work and human performance (3rd ed.). Longman.

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.