Kumar, R. (2014). Research methodology (4th.). Sage Publication, New Delhi.
芝加哥风格引文Kumar, Ranjit. Research Methodology. 4th. Sage Publication, New Delhi, 2014.
MLA引文Kumar, Ranjit. Research Methodology. 4th. Sage Publication, New Delhi, 2014.
警告：这些引文格式不一定是100％准确.