Colston Research Society, Chisholm, M., Frey, A., & Haggett, P. (1971). Regional forecasting: Proceedings of the twentysecond Symposium of the Colston Research Society held in the University of Bristol, April 6th to 10th, 1970. Butterworths.
Čikaški stil citiranja (17. izdanje)Colston Research Society, Michael Chisholm, Allan Frey, i Peter Haggett. Regional Forecasting: Proceedings of the Twentysecond Symposium of the Colston Research Society Held in the University of Bristol, April 6th to 10th, 1970. London: Butterworths, 1971.
MLA način citiranja (8. izdanje)Colston Research Society, et al. Regional Forecasting: Proceedings of the Twentysecond Symposium of the Colston Research Society Held in the University of Bristol, April 6th to 10th, 1970. Butterworths, 1971.
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