Pratt, V., Howarth, J., & Brady, E. Environment and philoshopy. Routledge.
Čikaški stil citiranja (17. izdanje)Pratt, Vemon, Jane Howarth, i Emily Brady. Environment and Philoshopy. London: Routledge.
MLA način citiranja (9. izdanje)Pratt, Vemon, et al. Environment and Philoshopy. Routledge.
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