BHALLA G.S. (2001). INDIAN AGRICULTURE: FOUR DECADES OF DEVELOPMENT. SAGE PUBLICATIONS.
芝加哥风格引文BHALLA G.S. INDIAN AGRICULTURE: FOUR DECADES OF DEVELOPMENT. NEW DELHI: SAGE PUBLICATIONS, 2001.
MLA引文BHALLA G.S. INDIAN AGRICULTURE: FOUR DECADES OF DEVELOPMENT. SAGE PUBLICATIONS, 2001.
警告：这些引文格式不一定是100％准确.