Lua APA (7ú heag.)
Hollnagel, E. (2014). Safety-I and safety-II: The past and future of safety management. Ashgate.
Lua i Stíl Chicago (17ú heag.)
Hollnagel, Erik. Safety-I and Safety-II: The Past and Future of Safety Management. Farnham, Surrey, England ; Burlington, Vermont: Ashgate, 2014.
Lua MLA (9ú heag.)
Hollnagel, Erik. Safety-I and Safety-II: The Past and Future of Safety Management. Ashgate, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.