Beltrami, E. (2013). Mathematical Models for Society and Biology (2nd ed.). Elsevier.
Lua i Stíl Chicago (17ú heag.)Beltrami, Edward. Mathematical Models for Society and Biology. 2nd ed. New York: Elsevier, 2013.
Lua MLA (9ú heag.)Beltrami, Edward. Mathematical Models for Society and Biology. 2nd ed. Elsevier, 2013.
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