Guerra, A. M. (2005). Segurança e Proteção Individual, Manual de Formação Inicial do Bombeiro. Sintra: Escola Nacional de Bombeiros.
SCBA 101: Self-contained breathing apparatuses and supplied air respirators with an escape self-contained breathing apparatus 2019, viewed 29 June 2021 https://insights.globalspec.com/article/12423/scba-101-self-contained-breathing-apparatuses-and-supplied-air-respirators-with-an-escape-self-contained-breathing-apparatus
Minnesota Department of Natural Resources. Personal Protective Equipment (PPE): A Short Guide. Retrieved at: state.mn.us/forestry/wildfire/rxfire/protective_equip.pdf, viewed 29 June 2021.