Field, B. G., & MacGregor, B. D. (1987). Forecasting techniques for urban and regional planning. Hutchinson.
Cita Chicago (17th ed.)Field, Brian G., i Bryan D. MacGregor. Forecasting Techniques for Urban and Regional Planning. London: Hutchinson, 1987.
Cita MLA (9th ed.)Field, Brian G., i Bryan D. MacGregor. Forecasting Techniques for Urban and Regional Planning. Hutchinson, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.