C.O. Bell. (1973). The diseases and health services of Papua New Guinea ; a basis for national health planning. Papua-New Guinea (Ter.), Dept. of Public Health.
Dyfyniad Arddull ChicagoC.O. Bell. The Diseases and Health Services of Papua New Guinea ; a Basis for National Health Planning. Port Moresby: Papua-New Guinea (Ter.), Dept. of Public Health, 1973.
Dyfyniad MLAC.O. Bell. The Diseases and Health Services of Papua New Guinea ; a Basis for National Health Planning. Papua-New Guinea (Ter.), Dept. of Public Health, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.