Singhal, V. (1999). Indian agriculture 1999. Indian Economic Data Research Centre.
シカゴスタイル引用形Singhal, Vikas. Indian Agriculture 1999. New Delhi: Indian Economic Data Research Centre, 1999.
MLA引用形式Singhal, Vikas. Indian Agriculture 1999. Indian Economic Data Research Centre, 1999.
警告: この引用は必ずしも正確ではありません.