Hough, M. (2004). Cities and natural process: A basis for sustainability (2nd ed.). Routledge.
Chicago-Zitierstil (17. Ausg.)Hough, Michael. Cities and Natural Process: A Basis for Sustainability. 2nd ed. London ; New York: Routledge, 2004.
MLA-Zitierstil (9. Ausg.)Hough, Michael. Cities and Natural Process: A Basis for Sustainability. 2nd ed. Routledge, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.