Little, A. C., Jones, B. C., Waitt, C., Tiddeman, B. P., Feinberg, D. R., Perrett, D. I., . . . Marlowe, F. W. (2008). Symmetry Is Related to Sexual Dimorphism in Faces: Data Across Culture and Species. Public Library of Science.

Little, Anthony C., Benedict C. Jones, Corri Waitt, Bernard P. Tiddeman, David R. Feinberg, David I. Perrett, Coren L. Apicella, et Frank W. Marlowe. Symmetry Is Related to Sexual Dimorphism in Faces: Data Across Culture and Species. Public Library of Science, 2008.

Little, Anthony C., et al. Symmetry Is Related to Sexual Dimorphism in Faces: Data Across Culture and Species. Public Library of Science, 2008.