Valk, A. v. d. (2006). The biology of freshwater wetlands. Oxford,New York: Oxford University Press.
Trích dẫn kiểu ChicagoValk, Arnoud van der. The Biology of Freshwater Wetlands. Oxford,New York: Oxford University Press, 2006.
Deismireacht MLAValk, Arnoud van der. The Biology of Freshwater Wetlands. Oxford,New York: Oxford University Press, 2006.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.