Ramírez, P., & Arias, M. (2011). Urban Zoning Guidelines for the Management and Protection of Underground Water of the Birris River Watershed (Cartago).
استشهاد بنمط شيكاغوRamírez, Pablo, و Mario Arias. Urban Zoning Guidelines for the Management and Protection of Underground Water of the Birris River Watershed (Cartago). 2011.
MLA استشهادRamírez, Pablo, و Mario Arias. Urban Zoning Guidelines for the Management and Protection of Underground Water of the Birris River Watershed (Cartago). 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.