Ericson, C. A. (2011). Concise encyclopedia of system safety: Definition of terms and concepts. Wiley.
Lua i Stíl Chicago (17ú heag.)Ericson, Clifton A. Concise Encyclopedia of System Safety: Definition of Terms and Concepts. Hoboken, N.J.: Wiley, 2011.
Lua MLA (9ú heag.)Ericson, Clifton A. Concise Encyclopedia of System Safety: Definition of Terms and Concepts. Wiley, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.