Keller, E. A., & Blodgett, R. H. (2008). Natural hazards: Earth's processes as hazards, disasters, and catastrophes (2nd ed.). Pearson/Prentice Hall.
Chicagoスタイル(17版)引用形式Keller, Edward A., , Robert H. Blodgett. Natural Hazards: Earth's Processes as Hazards, Disasters, and Catastrophes. 2nd ed. Upper Saddle River, NJ: Pearson/Prentice Hall, 2008.
MLA(9版)引用形式Keller, Edward A., , Robert H. Blodgett. Natural Hazards: Earth's Processes as Hazards, Disasters, and Catastrophes. 2nd ed. Pearson/Prentice Hall, 2008.
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