Marsh, T. (2013). Talking safety: A user's guide to world class safety conversation (2nd ed.). Gower.
Chicago-Zitierstil (17. Ausg.)Marsh, Tim. Talking Safety: A User's Guide to World Class Safety Conversation. 2nd ed. Farnham, Surrey: Gower, 2013.
MLA-Zitierstil (9. Ausg.)Marsh, Tim. Talking Safety: A User's Guide to World Class Safety Conversation. 2nd ed. Gower, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.