Bell, J. (2005). Doing your research project: A guide for first-time researchers in education, health and social science (4th edition.). Open University Press.
Chicago-viite (17. p.)Bell, Judith. Doing Your Research Project: A Guide for First-time Researchers in Education, Health and Social Science. 4th edition. Maidenhead, Berkshire, England: Open University Press, 2005.
MLA-viite (9. p.)Bell, Judith. Doing Your Research Project: A Guide for First-time Researchers in Education, Health and Social Science. 4th edition. Open University Press, 2005.
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