Haddow, G. D., Bullock, J. A., & Coppola, D. P. (2008). Introduction to emergency management (3rd ed.). Elsevier/Butterworth-Heinemann.
Lua i Stíl Chicago (17ú heag.)Haddow, George D., Jane A. Bullock, agus Damon P. Coppola. Introduction to Emergency Management. 3rd ed. Amsterdam ; Boston: Elsevier/Butterworth-Heinemann, 2008.
Lua MLA (9ú heag.)Haddow, George D., et al. Introduction to Emergency Management. 3rd ed. Elsevier/Butterworth-Heinemann, 2008.
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