GOETSCH, D. L. (1999). Occupational safety and healthfor technologists engineers, and managers 3rd ed. Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGOETSCH, David L. Occupational Safety and Healthfor Technologists Engineers, and Managers 3rd Ed. Prentice-Hall, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGOETSCH, David L. Occupational Safety and Healthfor Technologists Engineers, and Managers 3rd Ed. Prentice-Hall, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.