Sulzby, E. (1990). McGraw-Hill English. New York: McGraw-Hill School Division.
शिकागो स्टाइल उद्धरणSulzby, Elizabeth. McGraw-Hill English. New York: McGraw-Hill School Division, 1990.
एमएलए उद्धरणSulzby, Elizabeth. McGraw-Hill English. New York: McGraw-Hill School Division, 1990.
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