APA引文

Witte, J. M. (1998). National water management and the value of nature. The Netherland: Wageningen University.

Trích dẫn kiểu Chicago

Witte, Jan-Philip Maria. National Water Management and the Value of Nature. The Netherland: Wageningen University, 1998.

MLA引文

Witte, Jan-Philip Maria. National Water Management and the Value of Nature. The Netherland: Wageningen University, 1998.

警告：這些引文格式不一定是100％准確.