Fryxell, J. M., Sinclair, A. R. E., & Caughley, G. (2014). Wildlife ecology, conservation, and management (Third edition.). Wiley Blackwell.
Dyfyniad Arddull ChicagoFryxell, John M., A. R. E. Sinclair, and Graeme Caughley. Wildlife Ecology, Conservation, and Management. Third edition. Chichester, [England]: Wiley Blackwell, 2014.
Dyfyniad MLAFryxell, John M., et al. Wildlife Ecology, Conservation, and Management. Third edition. Wiley Blackwell, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.