Ervin-Tripp, S. M. (1973). Language acquisition and commucative choice: Essays by S. M. Ervin- Tripp. Stanford University Press.
Chicago-viite (17. p.)Ervin-Tripp, Susan Moore. Language Acquisition and Commucative Choice: Essays by S. M. Ervin- Tripp. Stanford, Calif: Stanford University Press, 1973.
MLA-viite (9. p.)Ervin-Tripp, Susan Moore. Language Acquisition and Commucative Choice: Essays by S. M. Ervin- Tripp. Stanford University Press, 1973.
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