Dyfyniad APA
ebrary, Inc, Ierland, E. v., & Oude Lansink, A. (2002). Economics of sustainable energy in agriculture. Kluwer Academic Publishers.
Dyfyniad Arddull Chicago
ebrary, Inc, E. van Ierland, and Alfons Oude Lansink. Economics of Sustainable Energy in Agriculture. Dordrecht ; Boston: Kluwer Academic Publishers, 2002.
Dyfyniad MLA
ebrary, Inc, et al. Economics of Sustainable Energy in Agriculture. Kluwer Academic Publishers, 2002.
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