Sita Ram Singh. (1986). Technological parameters in agricultural production fucntion. Ashish Pub.house.
シカゴスタイル引用形Sita Ram Singh. Technological Parameters in Agricultural Production Fucntion. Delhi: Ashish Pub.house, 1986.
MLA引用形式Sita Ram Singh. Technological Parameters in Agricultural Production Fucntion. Ashish Pub.house, 1986.
警告: この引用は必ずしも正確ではありません.