Ary, D., Jacobs, L. C., & Razavieh, A. (2002). Introduction to research in education (6th ed.). Wadsworth, Thomson Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAry, Donald, Lucy Cheser Jacobs, और Asghar Razavieh. Introduction to Research in Education. 6th ed. Australia: Wadsworth, Thomson Learning, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAry, Donald, et al. Introduction to Research in Education. 6th ed. Wadsworth, Thomson Learning, 2002.
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