Rogers, J. J. W., & Feiss, P. G. (1998). People and the earth: Basic issues in the sustainability of resources and environment. Cambridge University Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Rogers, John James Williams, και Paul Geoffrey Feiss. People and the Earth: Basic Issues in the Sustainability of Resources and Environment. Cambridge, UK New York, NY: Cambridge University Press, 1998.
Παραπομπή σε μορφή MLA (8th εκδ.)Rogers, John James Williams, και Paul Geoffrey Feiss. People and the Earth: Basic Issues in the Sustainability of Resources and Environment. Cambridge University Press, 1998.
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