Blumenthal, J. C. (1994). English 3200 with writing applications: A programmed course in grammar and usage (4th college ed.). Harcourt Brace College Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBlumenthal, Joseph C. English 3200 with Writing Applications: A Programmed Course in Grammar and Usage. 4th college ed. Fort Worth, Texas: Harcourt Brace College Publishers, 1994.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBlumenthal, Joseph C. English 3200 with Writing Applications: A Programmed Course in Grammar and Usage. 4th college ed. Harcourt Brace College Publishers, 1994.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.