Levy, J. M. (2000). The first responder's pocket guide to hazardous materials emergency response (2nd ed.). Firebelle Productions.
Lua i Stíl Chicago (17ú heag.)Levy, Jill Meryl. The First Responder's Pocket Guide to Hazardous Materials Emergency Response. 2nd ed. Campbell, Calif.: Firebelle Productions, 2000.
Lua MLA (8ú heag.)Levy, Jill Meryl. The First Responder's Pocket Guide to Hazardous Materials Emergency Response. 2nd ed. Firebelle Productions, 2000.
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