Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.