Boyle, T. (2019). Health and safety: Risk management (Fifth edition.). Routledge, Taylor & Francis Group.
Chicago-referens (17:e uppl.)Boyle, Tony. Health and Safety: Risk Management. Fifth edition. Abingdon, Oxon ; New York, NY: Routledge, Taylor & Francis Group, 2019.
MLA-referens (9:e uppl.)Boyle, Tony. Health and Safety: Risk Management. Fifth edition. Routledge, Taylor & Francis Group, 2019.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.