Hough, M. (2004). Cities and natural process: A basis for sustainability (2nd ed.). Routledge.
Chicago-čujuhus (17. p.)Hough, Michael. Cities and Natural Process: A Basis for Sustainability. 2nd ed. London ; New York: Routledge, 2004.
MLA-čujuhus (9. p.)Hough, Michael. Cities and Natural Process: A Basis for Sustainability. 2nd ed. Routledge, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.