Dyfyniad APA

Ruhlen, M. (1994). The origin of language: Tracing the evolution of the mother tongue. Wiley.

Dyfyniad Arddull Chicago

Ruhlen, Merritt. The Origin of Language: Tracing the Evolution of the Mother Tongue. New York: Wiley, 1994.

Dyfyniad MLA

Ruhlen, Merritt. The Origin of Language: Tracing the Evolution of the Mother Tongue. Wiley, 1994.

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