APA (7th ed.) Citation
Langan, J. (1981). English Skills (2nd ed.). McGraw-Hill.
Chicago Style (17th ed.) Citation
Langan, John. English Skills. 2nd ed. New York: McGraw-Hill, 1981.
MLA (9th ed.) Citation
Langan, John. English Skills. 2nd ed. McGraw-Hill, 1981.
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