Dyfyniad APA

Wheeler, S., & Beatley, T. (2009). The sustainable urban development reader (2nd ed.). Routledge.

Dyfyniad Arddull Chicago

Wheeler, Stephen, and Timothy Beatley. The Sustainable Urban Development Reader. 2nd ed. Abingdon, Oxon ; New York: Routledge, 2009.

Dyfyniad MLA

Wheeler, Stephen, and Timothy Beatley. The Sustainable Urban Development Reader. 2nd ed. Routledge, 2009.

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