(1991). Profile on occupational safety and health in Papua New Guinea. International Labour Organization.
Chicago (17e ed.) BronvermeldingProfile on Occupational Safety and Health in Papua New Guinea. Bangkok, Thailand: International Labour Organization, 1991.
MLA (9e ed.) BronvermeldingProfile on Occupational Safety and Health in Papua New Guinea. International Labour Organization, 1991.
Let op: Deze citaties zijn niet altijd 100% accuraat.