Kothari, C. (1990). Research methodology /2e: Methods and techniques (2nd Ed.). New Age International.
シカゴスタイル引用形Kothari, C.R. Research Methodology /2e: Methods and Techniques. 2nd Ed. New Delhi: New Age International, 1990.
MLA引用形式Kothari, C.R. Research Methodology /2e: Methods and Techniques. 2nd Ed. New Age International, 1990.
警告: この引用は必ずしも正確ではありません.