Hughes, P., & Ferrett, E. (2021). Introduction to health and safety at work: For the NEBOSH National General Certificate in Occupational Health and Safety (Seventh edition.). Routledge.
Chicago-Zitierstil (17. Ausg.)Hughes, Phil, und Ed Ferrett. Introduction to Health and Safety at Work: For the NEBOSH National General Certificate in Occupational Health and Safety. Seventh edition. London: Routledge, 2021.
MLA-Zitierstil (9. Ausg.)Hughes, Phil, und Ed Ferrett. Introduction to Health and Safety at Work: For the NEBOSH National General Certificate in Occupational Health and Safety. Seventh edition. Routledge, 2021.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.