APA-referens

Valbuena-Calderón, O. E., Rodríguez-Pérez, W., & Suárez-Salazar, J. C. (2016). Soil quality under two different management schemes in coffee plantations of southern Colombia.

Chicago-stil citat

Valbuena-Calderón, Oscar Eduardo, Wilson Rodríguez-Pérez, och Juan Carlos Suárez-Salazar. Soil Quality Under Two Different Management Schemes in Coffee Plantations of Southern Colombia. 2016.

MLA-referens

Valbuena-Calderón, Oscar Eduardo, Wilson Rodríguez-Pérez, och Juan Carlos Suárez-Salazar. Soil Quality Under Two Different Management Schemes in Coffee Plantations of Southern Colombia. 2016.

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