Langan, J. (1985). Instructor's Manual to Accompany English Skills (3rd ed.). McGraw-Hill Book.
Cita Chicago Style (17a ed.)Langan, John. Instructor's Manual to Accompany English Skills. 3rd ed. New York: McGraw-Hill Book, 1985.
Cita MLA (9a ed.)Langan, John. Instructor's Manual to Accompany English Skills. 3rd ed. McGraw-Hill Book, 1985.
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