Bhalla, G. S., & Gurmail singh. (2001). Indian agriculture: Four decades of development. Sage.
シカゴスタイル引用形Bhalla, G. S., , Gurmail singh. Indian Agriculture: Four Decades of Development. New Delhi: Sage, 2001.
MLA引用形式Bhalla, G. S., , Gurmail singh. Indian Agriculture: Four Decades of Development. Sage, 2001.
警告: この引用は必ずしも正確ではありません.