Cita APA

Harris, J. G., & Hube, R. (1975). On speaking terms: Conversational English for advanced students. New York: Collier MacMillan International.

Citación estilo Chicago

Harris, Jimmy G., y Ron Hube. On Speaking Terms: Conversational English for Advanced Students. New York: Collier MacMillan International, 1975.

Cita MLA

Harris, Jimmy G., y Ron Hube. On Speaking Terms: Conversational English for Advanced Students. New York: Collier MacMillan International, 1975.