APA citiranje

Valk, A. v. d. (2006). The biology of freshwater wetlands. Oxford,New York: Oxford University Press.

Trích dẫn kiểu Chicago

Valk, Arnoud van der. The Biology of Freshwater Wetlands. Oxford,New York: Oxford University Press, 2006.

MLA citiranje

Valk, Arnoud van der. The Biology of Freshwater Wetlands. Oxford,New York: Oxford University Press, 2006.