Beder, S. (2007). Environmental principles and policies: An interdisciplinary introduction (1st South Asian ed.). Earthscan.
Citace podle Chicago (17th ed.)Beder, Sharon. Environmental Principles and Policies: An Interdisciplinary Introduction. 1st South Asian ed. London: Earthscan, 2007.
Citace podle MLA (9th ed.)Beder, Sharon. Environmental Principles and Policies: An Interdisciplinary Introduction. 1st South Asian ed. Earthscan, 2007.
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