APA استشهاد

Ranjit Kumar. (2005). Research methodology: A step-by-step guide for beginners. Pearson education.

استشهاد بنمط شيكاغو

Ranjit Kumar. Research Methodology: A Step-by-step Guide for Beginners. New Delhi: Pearson education, 2005.

MLA استشهاد

Ranjit Kumar. Research Methodology: A Step-by-step Guide for Beginners. Pearson education, 2005.