Dyfyniad APA

Wojtkowski, P. (2007). Agroecological economics: Sustainability and biodiversity. Boston, MA: Elsevier.

Dyfyniad Arddull Chicago

Wojtkowski, Paul. Agroecological Economics: Sustainability and Biodiversity. Boston, MA: Elsevier, 2007.

Dyfyniad MLA

Wojtkowski, Paul. Agroecological Economics: Sustainability and Biodiversity. Boston, MA: Elsevier, 2007.

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