Kumar,P. (1977). Economics of water management: Study of field channels. Heritage.
シカゴスタイル引用形Kumar,P. Economics of Water Management: Study of Field Channels. New Delhi: Heritage, 1977.
MLA引用形式Kumar,P. Economics of Water Management: Study of Field Channels. Heritage, 1977.
警告: この引用は必ずしも正確ではありません.