APA引文

India. Directorate of Economics and Statistics. (1971). Estimates of area and production of principal crops in India 1970 - 71.

Chicago Edition Citation

India. Directorate of Economics and Statistics. Estimates of Area and Production of Principal Crops in India 1970 - 71. 1971.

MLA引文

India. Directorate of Economics and Statistics. Estimates of Area and Production of Principal Crops in India 1970 - 71. 1971.

警告：這些引文格式不一定是100％准確.