Philipp, P. F. (1975). Four papers on the Papua New Guinea cattle industry. New Guinea Research Unit, Australian National University.
Dyfyniad Arddull ChicagoPhilipp, P. F. Four Papers on the Papua New Guinea Cattle Industry. Port Moresby: New Guinea Research Unit, Australian National University, 1975.
Dyfyniad MLAPhilipp, P. F. Four Papers on the Papua New Guinea Cattle Industry. New Guinea Research Unit, Australian National University, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.