Spens, M. (2003). Modern landscape. Phaidon Press.
Cita Chicago (17th ed.)Spens, Michael. Modern Landscape. London ; New York: Phaidon Press, 2003.
Cita MLA (8th ed.)Spens, Michael. Modern Landscape. Phaidon Press, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.