Woolley, H. (2003). Urban open spaces. Spon Press.
Cita Chicago (17th ed.)Woolley, Helen. Urban Open Spaces. London ; New York: Spon Press, 2003.
Cita MLA (9th ed.)Woolley, Helen. Urban Open Spaces. Spon Press, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.