Rivers, W. M. (1976). Speaking in many tongues: Essays in foreign-language teaching (Expanded 2. ed.). Newbury House.
Chicago-Zitierstil (17. Ausg.)Rivers, Wilga M. Speaking in Many Tongues: Essays in Foreign-language Teaching. Expanded 2. ed. Rowley, Mass: Newbury House, 1976.
MLA-Zitierstil (9. Ausg.)Rivers, Wilga M. Speaking in Many Tongues: Essays in Foreign-language Teaching. Expanded 2. ed. Newbury House, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.