Keith F Punch. (2016). Developing effective research proposals (3rd edition.). Sage.
シカゴスタイル引用形Keith F Punch. Developing Effective Research Proposals. 3rd edition. London: Sage, 2016.
MLA引用形式Keith F Punch. Developing Effective Research Proposals. 3rd edition. Sage, 2016.
警告: この引用は必ずしも正確ではありません.