Petri, H. L. (1991). Motivation: Theory, research, and applications (3rd ed.). Belmont, California: Wadsworth Publishing Company.
Chicago Style CitationPetri, Herbert L. Motivation: Theory, Research, and Applications. 3rd ed. Belmont, California: Wadsworth Publishing Company, 1991.
MLA CitationPetri, Herbert L. Motivation: Theory, Research, and Applications. 3rd ed. Belmont, California: Wadsworth Publishing Company, 1991.
Warning: These citations may not always be 100% accurate.