APA-čujuhus (7. p.)
Penna, A. N., & Rivers, J. S. (2013). Natural disasters in a global environment. Wiley-Blackwell.
Chicago-čujuhus (17. p.)
Penna, Anthony N., juo Jennifer S. Rivers. Natural Disasters in a Global Environment. Chichester, West Sussex, U.K.: Wiley-Blackwell, 2013.
MLA-čujuhus (9. p.)
Penna, Anthony N., juo Jennifer S. Rivers. Natural Disasters in a Global Environment. Wiley-Blackwell, 2013.
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