APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.