एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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