Cita APA (7th ed.)

Rivers, W. M. (1976). Speaking in many tounges: Essays in foreign-language teaching (Expanded, 2nd ed.). Newbury House Pub.

Cita Chicago (17th ed.)

Rivers, Wilga M. Speaking in Many Tounges: Essays in Foreign-language Teaching. Expanded, 2nd ed. Rowley, Mass: Newbury House Pub, 1976.

Cita MLA (9th ed.)

Rivers, Wilga M. Speaking in Many Tounges: Essays in Foreign-language Teaching. Expanded, 2nd ed. Newbury House Pub, 1976.