Kumar,Ranjit. (2014). Research methodology: A step-by-step guide for beginners (4th.). Sage.
芝加哥风格引文Kumar,Ranjit. Research Methodology: A Step-by-step Guide for Beginners. 4th. New Delhi: Sage, 2014.
MLA引文Kumar,Ranjit. Research Methodology: A Step-by-step Guide for Beginners. 4th. Sage, 2014.
警告：这些引文格式不一定是100％准确.