Hough, M. (2004). Cities and natural process: A basis for sustainability (2nd ed.). Routledge.
Cita Chicago (17th ed.)Hough, Michael. Cities and Natural Process: A Basis for Sustainability. 2nd ed. London ; New York: Routledge, 2004.
Cita MLA (9th ed.)Hough, Michael. Cities and Natural Process: A Basis for Sustainability. 2nd ed. Routledge, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.