Kothari, C. R. (1990). Research methodology: Methods and techniques (Second edition & Revised edition.). New Age; Wishwa Prakashan.
芝加哥风格引文Kothari, C. R. Research Methodology: Methods and Techniques. Second edition & Revised edition. New Delhi: New Age; Wishwa Prakashan, 1990.
MLA引文Kothari, C. R. Research Methodology: Methods and Techniques. Second edition & Revised edition. New Age; Wishwa Prakashan, 1990.
警告：这些引文格式不一定是100％准确.