Barrientos, Z. (2010). Urban solid waste generation and management at the National University, Costa Rica: Quantitative and sociological patterns.
استشهاد بنمط شيكاغوBarrientos, Zaidett. Urban Solid Waste Generation and Management At the National University, Costa Rica: Quantitative and Sociological Patterns. 2010.
MLA استشهادBarrientos, Zaidett. Urban Solid Waste Generation and Management At the National University, Costa Rica: Quantitative and Sociological Patterns. 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.