Bell, J. (1999). Doing your research project: A guide for first-time researchers in education and social science (Third edition.). Viva Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bell, Judith. Doing Your Research Project: A Guide for First-time Researchers in Education and Social Science. Third edition. New Delhi: Viva Books, 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Bell, Judith. Doing Your Research Project: A Guide for First-time Researchers in Education and Social Science. Third edition. Viva Books, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.