Darwin, C. R. 1., & Ekman, P. (1998). The expression of the emotions in man and animals (3rd ed.). London: HarperCollins.
Citación estilo ChicagoDarwin, Charles Robert 1809-1882, and Paul Ekman. The Expression of the Emotions in Man and Animals. 3rd ed. London: HarperCollins, 1998.
Cita MLADarwin, Charles Robert 1809-1882, and Paul Ekman. The Expression of the Emotions in Man and Animals. 3rd ed. London: HarperCollins, 1998.
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