Rael, R. (2009). Earth architecture. Princeton Architectural Press.
Cita Chicago (17th ed.)Rael, Ronald. Earth Architecture. New York, N.Y.: Princeton Architectural Press, 2009.
Cita MLA (9th ed.)Rael, Ronald. Earth Architecture. Princeton Architectural Press, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.