Dyfyniad APA

McDonnell. (2009). Ecology of cities and towns. Cambridge.

Dyfyniad Arddull Chicago

McDonnell. Ecology of Cities and Towns. Cambridge, 2009.

Dyfyniad MLA

McDonnell. Ecology of Cities and Towns. Cambridge, 2009.

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