एपीए उद्धरण

Zuleta Roa, G. (2011). Earth architecture: An alternative for sustainable construction. Universidad del Bío-Bío, Chile.

शिकागो स्टाइल उद्धरण

Zuleta Roa, Gloria. Earth Architecture: An Alternative for Sustainable Construction. Universidad del Bío-Bío, Chile, 2011.

एमएलए उद्धरण

Zuleta Roa, Gloria. Earth Architecture: An Alternative for Sustainable Construction. Universidad del Bío-Bío, Chile, 2011.