Fries, C. C. (1953). Teaching and learning english as a foreing language. Ann Arbor.
Chicago Style (17. basım) AtıfFries, Charles C. Teaching and Learning English as a Foreing Language. Estados Unidos: Ann Arbor, 1953.
MLA (9th ed.) AtıfFries, Charles C. Teaching and Learning English as a Foreing Language. Ann Arbor, 1953.
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