एपीए उद्धरण

Barrientos, Z. (2010). Urban solid waste generation and management at the National University, Costa Rica: Quantitative and sociological patterns.

शिकागो स्टाइल उद्धरण

Barrientos, Zaidett. Urban Solid Waste Generation and Management At the National University, Costa Rica: Quantitative and Sociological Patterns. 2010.

एमएलए उद्धरण

Barrientos, Zaidett. Urban Solid Waste Generation and Management At the National University, Costa Rica: Quantitative and Sociological Patterns. 2010.