Roberts- Phelps,Graham. (1999). Risk assessment: A Gower health and safety workbook. Gower.
Chicago ZitierstilRoberts- Phelps,Graham. Risk Assessment: A Gower Health and Safety Workbook. Aldershot: Gower, 1999.
MLA ZitierstilRoberts- Phelps,Graham. Risk Assessment: A Gower Health and Safety Workbook. Gower, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.