Association of Ambulance Chief Executives (Great Britain). (2019). JRCALC clinical guidelines 2019 (S. Brown, D. Kumar, & C. James, Eds.). Class Professional Publishing. https://oxfordbrookes.idm.oclc.org/login?url=http://search.ebscohost.com/login.aspx?direct=true&db=nlebk&AN=2293957&site=ehost-live
College of Paramedics. (2019). Law and ethics for paramedics: an essential guide (G. Eaton, Ed.). Class Professional Publishing. https://oxfordbrookes.idm.oclc.org/login?url=http://www.vlebooks.com/vleweb/product/openreader?id=OxfBrookes&isbn=9781859596685&uid=^u
Pilbery, R., Lethbridge, K., & Association of Ambulance Chief Executives (Great Britain). (2019). Ambulance care practice (Second edition). Class Professional Publishing. https://oxfordbrookes.idm.oclc.org/login?url=https://oxfordbrookes.idm.oclc.org/login?url=http://www.vlebooks.com/vleweb/product/openreader?id=OxfBrookes&isbn=9781859598559&uid=^u