Balmert, P. D. (2010). Alive and well at the end of the day: The supervisor's guide to managing safety in operations. Wiley.
Lua i Stíl Chicago (17ú heag.)Balmert, Paul D. Alive and Well at the End of the Day: The Supervisor's Guide to Managing Safety in Operations. Hoboken, N.J: Wiley, 2010.
Lua MLA (9ú heag.)Balmert, Paul D. Alive and Well at the End of the Day: The Supervisor's Guide to Managing Safety in Operations. Wiley, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.