Dwivedi, D. (1985). Principles of economics (1st. ed.). Vikas publishing House.
シカゴスタイル引用形Dwivedi, D.N. Principles of Economics. 1st. ed. Delhi: Vikas publishing House, 1985.
MLA引用形式Dwivedi, D.N. Principles of Economics. 1st. ed. Vikas publishing House, 1985.
警告: この引用は必ずしも正確ではありません.