O'Brien, D. P. (2002). The safety officer's concise desk reference. Lewis Publishers.
Chicago Style (17th ed.) CitationO'Brien, Daniel Patrick. The Safety Officer's Concise Desk Reference. Boca Raton: Lewis Publishers, 2002.
MLA (9th ed.) CitationO'Brien, Daniel Patrick. The Safety Officer's Concise Desk Reference. Lewis Publishers, 2002.
Warning: These citations may not always be 100% accurate.