Petri, Herbert L. Motivation :theory, research, and applications / Herbert L. Petri, John M. Govern - 5th ed. - Australia ; Belmont, CA : Wadsworth/Thomson, 2004 - xx, 481 p. ; 24 cm. ISBN: 0534568807 Subjects--Topical Terms: Motivation (Psychology) Dewey Class. No.: 153.8 / M918