Dixson, R. J. (1980). Modern American english (New ed.). New York: Regents Publishing company, Inc.
Trích dẫn kiểu ChicagoDixson, Robert J. Modern American English. New ed. New York: Regents Publishing company, Inc, 1980.
MLA CitationDixson, Robert J. Modern American English. New ed. New York: Regents Publishing company, Inc, 1980.
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