Gupta, M. (2011). Research methodology. PHI Learning private limited.
シカゴスタイル引用形Gupta, Mukul. Research Methodology. New Delhi: PHI Learning private limited, 2011.
MLA引用形式Gupta, Mukul. Research Methodology. PHI Learning private limited, 2011.
警告: この引用は必ずしも正確ではありません.