Blumenthal, J. C. (1989). English 2200: With writing applications : a programed course in grammar and usage (Nova ed.). Harcourt Brace Jovanovich.
Chicago Style (17. basım) AtıfBlumenthal, Joseph C. English 2200: With Writing Applications : A Programed Course in Grammar and Usage. Nova ed. Orlando, Florida: Harcourt Brace Jovanovich, 1989.
MLA (9th ed.) AtıfBlumenthal, Joseph C. English 2200: With Writing Applications : A Programed Course in Grammar and Usage. Nova ed. Harcourt Brace Jovanovich, 1989.
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