Darwin Charles. (1965). The expression of the emotions in man an animals (1a. ed.). University of Chicago Press.
Chicago-čujuhus (17. p.)Darwin Charles. The Expression of the Emotions in Man an Animals. 1a. ed. Chicago: University of Chicago Press, 1965.
MLA-čujuhus (9. p.)Darwin Charles. The Expression of the Emotions in Man an Animals. 1a. ed. University of Chicago Press, 1965.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.