Robbins, M. A. (2011). Crops and carbon: Aying farmers to combat climate change.
シカゴスタイル引用形Robbins, Mike; Author. Crops and Carbon: Aying Farmers to Combat Climate Change. New York, Earthscan, 2011.
MLA引用形式Robbins, Mike; Author. Crops and Carbon: Aying Farmers to Combat Climate Change. 2011.
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