Middleton, N., Weston, S., & Downes, J. (1989). Atlas of environmental issues. Facts on File.
Čikaški stil citiranja (17. izdanje)Middleton, Nick, Steve Weston, i John Downes. Atlas of Environmental Issues. New York: Facts on File, 1989.
MLA način citiranja (8. izdanje)Middleton, Nick, et al. Atlas of Environmental Issues. Facts on File, 1989.
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