Dyfyniad APA

Field, B. G., & MacGregor, B. D. (1987). Forecasting techniques for urban and regional planning. UCL Press.

Dyfyniad Arddull Chicago

Field, Brian G., and Bryan D. MacGregor. Forecasting Techniques for Urban and Regional Planning. London: UCL Press, 1987.

Dyfyniad MLA

Field, Brian G., and Bryan D. MacGregor. Forecasting Techniques for Urban and Regional Planning. UCL Press, 1987.

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