May, J. R., & Daly, E. (2016). Environmental constitutionalism ( Vol. 2). Elgar Research Foundation.
Čikaški stil citiranjaMay, James R., i Erin Daly. Environmental Constitutionalism ( Vol. 2). Cheltenham: Elgar Research Foundation, 2016.
MLA način citiranjaMay, James R., i Erin Daly. Environmental Constitutionalism ( Vol. 2). Elgar Research Foundation, 2016.
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