APA Citatie

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

Chicago Style citaat

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

MLA citatie

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

Let op: Deze citaties zijn niet altijd 100% accuraat.