Citazione Stile APA (7a Edizione)

(1991). Profile on occupational safety and health in Papua New Guinea. International Labour Organization.

Citazione stile Chigago Style (17a edizione)

Profile on Occupational Safety and Health in Papua New Guinea. Bangkok, Thailand: International Labour Organization, 1991.

Citatione MLA (9a ed.)

Profile on Occupational Safety and Health in Papua New Guinea. International Labour Organization, 1991.