Dyfyniad APA
Langan, J. (1995). English skills with readings: John Langan (3rd ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Langan, John. English Skills with Readings: John Langan. 3rd ed. New York: McGraw-Hill, 1995.
Dyfyniad MLA
Langan, John. English Skills with Readings: John Langan. 3rd ed. McGraw-Hill, 1995.
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