Wright, A. L., & McGillivray, J. H. (1971). Let's learn english. American Book Company.
Chicago Style (17. basım) AtıfWright, Audrey L., ve James H. McGillivray. Let's Learn English. New York: American Book Company, 1971.
MLA (9th ed.) AtıfWright, Audrey L., ve James H. McGillivray. Let's Learn English. American Book Company, 1971.
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