Citace podle APA (7th ed.)
Clay, J. W. (2004). World agriculture and the environment: A commodity-by-commodity guide to impacts and practices. Island Press.
Citace podle Chicago (17th ed.)
Clay, Jason W. World Agriculture and the Environment: A Commodity-by-commodity Guide to Impacts and Practices. Washington, D.C.: Island Press, 2004.
Citace podle MLA (9th ed.)
Clay, Jason W. World Agriculture and the Environment: A Commodity-by-commodity Guide to Impacts and Practices. Island Press, 2004.
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