Goetsch, D. L. (2011). Occupational safety and health: For technologists, Engineers and managers (7th ed.). Prentice Hall.
शिकागो स्टाइल उद्धरणGoetsch, David L. Occupational Safety and Health: For Technologists, Engineers and Managers. 7th ed. Boston: Prentice Hall, 2011.
एमएलए उद्धरणGoetsch, David L. Occupational Safety and Health: For Technologists, Engineers and Managers. 7th ed. Prentice Hall, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.