Bell, J. (2005). Doing your research project: A guide for first-time researchers in education, health and social science (Forth Edition.). Open University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBell, Judith. Doing Your Research Project: A Guide for First-time Researchers in Education, Health and Social Science. Forth Edition. Maidenhead, Berkshire, England: Open University Press, 2005.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBell, Judith. Doing Your Research Project: A Guide for First-time Researchers in Education, Health and Social Science. Forth Edition. Open University Press, 2005.
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