Berry, R. (1994). The research project: How to write it (3rd.). Roultdge.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBerry, Ralph. The Research Project: How to Write It. 3rd. London: Roultdge, 1994.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBerry, Ralph. The Research Project: How to Write It. 3rd. Roultdge, 1994.
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