Ward, M. (2005). Fire officer: Principles and practice. Jones and Bartlett.
Cita Chicago (17th ed.)Ward, Michael. Fire Officer: Principles and Practice. Boston: Jones and Bartlett, 2005.
Cita MLA (8th ed.)Ward, Michael. Fire Officer: Principles and Practice. Jones and Bartlett, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.