Field, B. G., & MacGregor, B. D. (1992). Forecasting techniques for urban and regional planning (New ed.). UCL Press.
Chicago Style aipamenaField, Brian G., and Bryan D. MacGregor. Forecasting Techniques for Urban and Regional Planning. New ed. London: UCL Press, 1992.
MLA aipamenaField, Brian G., and Bryan D. MacGregor. Forecasting Techniques for Urban and Regional Planning. New ed. UCL Press, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.