Dyfyniad APA

Institute of British Geographers, Coppock, J. T., & Sewell, W. R. D. (1976). Spatial dimensions of public policy. Pergamon Press.

Dyfyniad Arddull Chicago

Institute of British Geographers, John Terence Coppock, and W. R. Derrick Sewell. Spatial Dimensions of Public Policy. Oxford: Pergamon Press, 1976.

Dyfyniad MLA

Institute of British Geographers, et al. Spatial Dimensions of Public Policy. Pergamon Press, 1976.

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