Dyfyniad APA

Kenny, M., & Meadowcroft, J. (2002). Planning sustainability. Routledge.

Dyfyniad Arddull Chicago

Kenny, Michael, and James Meadowcroft. Planning Sustainability. London ; New York: Routledge, 2002.

Dyfyniad MLA

Kenny, Michael, and James Meadowcroft. Planning Sustainability. Routledge, 2002.

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