Dyfyniad APA

Ferguson, R. F., & Dickens, W. T. (1999). Urban problems and community development. Brookings Institution Press.

Dyfyniad Arddull Chicago

Ferguson, Ronald F., and William T. Dickens. Urban Problems and Community Development. Washington, D.C: Brookings Institution Press, 1999.

Dyfyniad MLA

Ferguson, Ronald F., and William T. Dickens. Urban Problems and Community Development. Brookings Institution Press, 1999.

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