Bell, J. (2005). Doing your research project: A guide for first-time researchers in education, health and social science (Forth Edition.). Open University Press.

Bell, 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.

Bell, Judith. Doing Your Research Project: A Guide for First-time Researchers in Education, Health and Social Science. Forth Edition. Open University Press, 2005.