Weller, M. W. (1994). Freshwater marshes: Ecology and wildlife management (3rd ed.). University of Minnesota Press.
Dyfyniad Arddull ChicagoWeller, Milton Webster. Freshwater Marshes: Ecology and Wildlife Management. 3rd ed. Minneapolis: University of Minnesota Press, 1994.
Dyfyniad MLAWeller, Milton Webster. Freshwater Marshes: Ecology and Wildlife Management. 3rd ed. University of Minnesota Press, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.