Angle, J. (2013). Occupational safety and health in the emergency services (3rd ed.). Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Angle, James. Occupational Safety and Health in the Emergency Services. 3rd ed. Australia: Cengage Learning, 2013.
Lua MLA (9ú heag.)Angle, James. Occupational Safety and Health in the Emergency Services. 3rd ed. Cengage Learning, 2013.
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