APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (9वां संस्करण) प्रशस्ति पत्र

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

चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.