Britain), I. o. G. E. (. (1986). Use of breathing apparatus and other respiratory protective equipment in gas transmission and distribution. London : Institution of Gas Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Britain), Institution of Gas Engineers (Great. Use of Breathing Apparatus and Other Respiratory Protective Equipment in Gas Transmission and Distribution. London : Institution of Gas Engineers, 1986.
Παραπομπή σε μορφή MLA (9th εκδ.)Britain), Institution of Gas Engineers (Great. Use of Breathing Apparatus and Other Respiratory Protective Equipment in Gas Transmission and Distribution. London : Institution of Gas Engineers, 1986.
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