Palmer, J. A. (2001). Fifty key thinkers on the environment. Routledge.
Chicago Style (17. basım) AtıfPalmer, Joy A. Fifty Key Thinkers on the Environment. London: Routledge, 2001.
MLA (9th ed.) AtıfPalmer, Joy A. Fifty Key Thinkers on the Environment. Routledge, 2001.
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