Παραπομπή APA

Ibanez, M., & Blackman, A. (2015). Environmental and Economic Impacts of Growing Certified Organic Coffee in Colombia.

Παραπομπή Chicago Style

Ibanez, Marcela, και Allen Blackman. Environmental and Economic Impacts of Growing Certified Organic Coffee in Colombia. 2015.

Παραπομπή MLA

Ibanez, Marcela, και Allen Blackman. Environmental and Economic Impacts of Growing Certified Organic Coffee in Colombia. 2015.

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