APA引文

Hofer, T. (2007). Why invest in watershed management? Rome: Food and Agriculture Organization of the United Nations.

Trích dẫn kiểu Chicago

Hofer, Thomas. Why Invest in Watershed Management? Rome: Food and Agriculture Organization of the United Nations, 2007.

MLA引文

Hofer, Thomas. Why Invest in Watershed Management? Rome: Food and Agriculture Organization of the United Nations, 2007.

警告：這些引文格式不一定是100％准確.