Ekman, P., & Friesen, W. V. (2003). Unmasking the face: A guide to recognizing emotions from facial clues. Malor Books.
Citace podle Chicago (17th ed.)Ekman, Paul, a Wallace V. Friesen. Unmasking the Face: A Guide to Recognizing Emotions from Facial Clues. Cambridge, Massachusetts: Malor Books, 2003.
Citace podle MLA (9th ed.)Ekman, Paul, a Wallace V. Friesen. Unmasking the Face: A Guide to Recognizing Emotions from Facial Clues. Malor Books, 2003.
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