Cita APA

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

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). Universidad Nacional, Costa Rica, 2011.

Cita MLA

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