Boyd, F. A., Keillor, G., & Quinn, D. (1990). Stories from Lake Wobegon: Advanced listening and conversation skills. New York: Longman.
Παραπομπή Chicago StyleBoyd, Frances Armstrong., Garrison Keillor, και David Quinn. Stories From Lake Wobegon: Advanced Listening and Conversation Skills. New York: Longman, 1990.
Παραπομπή MLABoyd, Frances Armstrong., Garrison Keillor, και David Quinn. Stories From Lake Wobegon: Advanced Listening and Conversation Skills. New York: Longman, 1990.
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