Cita APA (7th ed.)

Ervin Tripp, S. M. (1973). Language acquisition and communicative choice. Stanford University Press.

Cita Chicago (17th ed.)

Ervin Tripp, Susan M. Language Acquisition and Communicative Choice. Redwood City: Stanford University Press, 1973.

Cita MLA (9th ed.)

Ervin Tripp, Susan M. Language Acquisition and Communicative Choice. Stanford University Press, 1973.