HAGEMANN GISELA. (1994). THE MOTIVATION MANUAL. MULTI-TECH PUBLICATIONS CO.
Chicago Style (17th ed.) CitationHAGEMANN GISELA. THE MOTIVATION MANUAL. MUMBAI: MULTI-TECH PUBLICATIONS CO, 1994.
MLA引文HAGEMANN GISELA. THE MOTIVATION MANUAL. MULTI-TECH PUBLICATIONS CO, 1994.
警告:這些引文格式不一定是100%准確.