APA način citiranja (7. izdanje)
Botkin, D. B., & Keller, E. A. (2012). Environmental science: International student version (8th ed.). John Wiley & Sons.
Čikaški stil citiranja (17. izdanje)
Botkin, Daniel B., i Edward A. Keller. Environmental Science: International Student Version. 8th ed. New Delhi: John Wiley & Sons, 2012.
MLA način citiranja (9. izdanje)
Botkin, Daniel B., i Edward A. Keller. Environmental Science: International Student Version. 8th ed. John Wiley & Sons, 2012.
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