Ranjit Kumar. (2005). Research methodology: A step-by-step guide for beginners. Pearson education.
Chicago-стиль цитированияRanjit Kumar. Research Methodology: A Step-by-step Guide for Beginners. New Delhi: Pearson education, 2005.
MLA-цитированиеRanjit Kumar. Research Methodology: A Step-by-step Guide for Beginners. Pearson education, 2005.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.