N Ashok & S Rajathi. (2005). Post-hatch development of preen gland in the duck ( Anas platyrhynchos ) (MVSC.). College of veterinery and animal science.
Dyfyniad Arddull ChicagoN Ashok and S Rajathi. Post-hatch Development of Preen Gland in the Duck ( Anas Platyrhynchos ). MVSC. College of veterinery and animal science, 2005.
Dyfyniad MLAN Ashok and S Rajathi. Post-hatch Development of Preen Gland in the Duck ( Anas Platyrhynchos ). MVSC. College of veterinery and animal science, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.