APA-referens

Ramírez Ramírez, J. A. (2008). An analysis of the relationship of the mining company Pierina with its socioeconomic and environmental surroundings in Ancash, Peru.

Chicago-stil citat

Ramírez Ramírez, Julio A. An Analysis of the Relationship of the Mining Company Pierina With Its Socioeconomic and Environmental Surroundings in Ancash, Peru. 2008.

MLA-referens

Ramírez Ramírez, Julio A. An Analysis of the Relationship of the Mining Company Pierina With Its Socioeconomic and Environmental Surroundings in Ancash, Peru. 2008.

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