Dyfyniad APA

Graham Squires. (2012). Urban and Environmental economics (PB). Routledge.

Dyfyniad Arddull Chicago

Graham Squires. Urban and Environmental Economics (PB). Routledge, 2012.

Dyfyniad MLA

Graham Squires. Urban and Environmental Economics (PB). Routledge, 2012.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.