APA citiranje

Contreras Arias, A., & Campregher, C. (2010). Medicinal plants in a cocoa plantation in Guápiles, Costa Rica.

Citación estilo Chicago

Contreras Arias, Agustín, y Christoph Campregher. Medicinal Plants in a Cocoa Plantation in Guápiles, Costa Rica. 2010.

MLA citiranje

Contreras Arias, Agustín, y Christoph Campregher. Medicinal Plants in a Cocoa Plantation in Guápiles, Costa Rica. 2010.

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