Valk, A. v. d. (2006). The biology of freshwater wetlands. Oxford,New York: Oxford University Press.
Stile di citazione ChicagoValk, Arnoud van der. The Biology of Freshwater Wetlands. Oxford,New York: Oxford University Press, 2006.
Citazione MLAValk, Arnoud van der. The Biology of Freshwater Wetlands. Oxford,New York: Oxford University Press, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.