Dyfyniad APA

Keenan, J. P., Gallup, G. G., & Falk, D. (2003). The face in the mirror: The search for the origins of consciousness. Ecco.

Dyfyniad Arddull Chicago

Keenan, Julian Paul, Gordon G. Gallup, and Dean Falk. The Face in the Mirror: The Search for the Origins of Consciousness. New York: Ecco, 2003.

Dyfyniad MLA

Keenan, Julian Paul, et al. The Face in the Mirror: The Search for the Origins of Consciousness. Ecco, 2003.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.