APA引文

George,Mary. (1991). Fertilizer consumption and agricultural development in a developing economy. Classical.

Chicago Edition Citation

George,Mary. Fertilizer Consumption and Agricultural Development in a Developing Economy. New Delhi: Classical, 1991.

MLA引文

George,Mary. Fertilizer Consumption and Agricultural Development in a Developing Economy. Classical, 1991.

警告：這些引文格式不一定是100％准確.