APA (7 वां संस्करण) प्रशस्ति पत्र
Langan, J. (1992). Ten steps to improving college reading skills (2nd ed.). Townsend Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Langan, John. Ten Steps to Improving College Reading Skills. 2nd ed. New Jersey: Townsend Press, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Langan, John. Ten Steps to Improving College Reading Skills. 2nd ed. Townsend Press, 1992.
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