APA引文

NULL. (1992). ENVIRONMENTAL AGRICULTURAL POLLUTION (I.). AKASHDEEP PUBLISHING HOUSE.

Chicago Edition Citation

NULL. ENVIRONMENTAL AGRICULTURAL POLLUTION. I. INDIA: AKASHDEEP PUBLISHING HOUSE, 1992.

MLA引文

NULL. ENVIRONMENTAL AGRICULTURAL POLLUTION. I. AKASHDEEP PUBLISHING HOUSE, 1992.

警告：这些引文格式不一定是100％准确.