Keenan, J. P., Gallup, G. G., & Falk, D. (2003). The face in the mirror: The search for the origins of consciousness. Ecco.
Lua i Stíl Chicago (17ú heag.)Keenan, Julian Paul, Gordon G. Gallup, agus Dean Falk. The Face in the Mirror: The Search for the Origins of Consciousness. New York: Ecco, 2003.
Lua MLA (9ú heag.)Keenan, Julian Paul, et al. The Face in the Mirror: The Search for the Origins of Consciousness. Ecco, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.