APA citiranje

Ramírez, P., & Arias, M. (2011). Urban Zoning Guidelines for the Management and Protection of Underground Water of the Birris River Watershed (Cartago).

Citación estilo Chicago

Ramírez, Pablo, y Mario Arias. Urban Zoning Guidelines for the Management and Protection of Underground Water of the Birris River Watershed (Cartago). 2011.

MLA citiranje

Ramírez, Pablo, y Mario Arias. Urban Zoning Guidelines for the Management and Protection of Underground Water of the Birris River Watershed (Cartago). 2011.