APA (7 वां संस्करण) प्रशस्ति पत्र

Hamp-Lyons, L., & Heasley, B. (2006). Study writing: A course in writing skills for academic purposes (2nd ed.). Cambridge University Press.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Hamp-Lyons, Liz, और Ben Heasley. Study Writing: A Course in Writing Skills for Academic Purposes. 2nd ed. Cambridge ; New York: Cambridge University Press, 2006.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Hamp-Lyons, Liz, और Ben Heasley. Study Writing: A Course in Writing Skills for Academic Purposes. 2nd ed. Cambridge University Press, 2006.

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