APA aipamena

van der Valk, A. G. (2012). The biology of freshwater wetlands (2nd ed.). Oxford University Press.

Chicago Style aipamena

van der Valk, Arnold G. The Biology of Freshwater Wetlands. 2nd ed. Oxford: Oxford University Press, 2012.

MLA aipamena

van der Valk, Arnold G. The Biology of Freshwater Wetlands. 2nd ed. Oxford University Press, 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.