HELLER ROBERT. (1998). MOTIVATING PEOPLE. DORLING KINDERSLEY.
芝加哥风格引文HELLER ROBERT. MOTIVATING PEOPLE. LONDON: DORLING KINDERSLEY, 1998.
MLA引文HELLER ROBERT. MOTIVATING PEOPLE. DORLING KINDERSLEY, 1998.
警告：这些引文格式不一定是100％准确.
APA引文