Soule, J. D., Piper, J. K., & Jackson, W. (1992). Farming in nature's image: An ecological approach to agriculture. Washington, DC: Island Press.
Παραπομπή Chicago StyleSoule, Judith D., Jon K. Piper, and Wes Jackson. Farming in Nature's Image: An Ecological Approach to Agriculture. Washington, DC: Island Press, 1992.
Παραπομπή MLASoule, Judith D., Jon K. Piper, and Wes Jackson. Farming in Nature's Image: An Ecological Approach to Agriculture. Washington, DC: Island Press, 1992.
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