Singh, I. J. (1977). Elements of farm management economics. Affiliated East West.
シカゴスタイル引用形Singh, I J. Elements of Farm Management Economics. New Delhi: Affiliated East West, 1977.
MLA引用形式Singh, I J. Elements of Farm Management Economics. Affiliated East West, 1977.
警告: この引用は必ずしも正確ではありません.