Bell, J. (2005). Doing your research project: A guide for first-time researchers in education, health and social science (Forth Edition.). Open University Press.
Lua i Stíl Chicago (17ú heag.)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.
Lua MLA (8ú heag.)Bell, Judith. Doing Your Research Project: A Guide for First-time Researchers in Education, Health and Social Science. Forth Edition. Open University Press, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.