Gaya APA

Pyles, T. (1971). The origins and development of the english language (second ed.) . USA: Harcourt Brace Jovanich.

Gaya MLA

Pyles, Thomas. "The origins and development of the english language (second ed.)". USA: Harcourt Brace Jovanich, 1971. FKSB-Sastra Inggris.