एपीए उद्धरण

Portillo Ríos, R. (2016). Design criteria for educational buildings in the state of Zulia, Venezuela. Corporación Universitaria del Caribe, CECAR.

शिकागो स्टाइल उद्धरण

Portillo Ríos, Raymundo. Design Criteria for Educational Buildings in the State of Zulia, Venezuela. Corporación Universitaria del Caribe, CECAR, 2016.

एमएलए उद्धरण

Portillo Ríos, Raymundo. Design Criteria for Educational Buildings in the State of Zulia, Venezuela. Corporación Universitaria del Caribe, CECAR, 2016.