Leventhal, H. A perceptual motor theory of emotion: Howard Leventhal. Approaches to emotion.(c 1984).
Chicago-Zitierstil (17. Ausg.)Leventhal, Howard. "A Perceptual Motor Theory of Emotion: Howard Leventhal." Approaches to Emotion.(c 1984) .
MLA-Zitierstil (8. Ausg.)Leventhal, Howard. "A Perceptual Motor Theory of Emotion: Howard Leventhal." Approaches to Emotion.(c 1984), .
警告：這些引文格式不一定是100％准確.