Cooper Ornithological Society, ebrary, Inc, Symposium on Avian Disease, & Paul, E. (2012). Emerging avian disease. University of California Press.
Dyfyniad Arddull ChicagoCooper Ornithological Society, Inc ebrary, Symposium on Avian Disease, and Ellen Paul. Emerging Avian Disease. Berkeley, CA: University of California Press, 2012.
Dyfyniad MLACooper Ornithological Society, et al. Emerging Avian Disease. University of California Press, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.