Berry, B. J. L. (1968). Economic regionalization and numerical methods: Final report of the Commission on Methods of Economic Regionalization of the International Geographical Union. Państowe Wydawn. Naukowe.
Chicago Style (17th ed.) CitationBerry, Brian Joe Lobley. Economic Regionalization and Numerical Methods: Final Report of the Commission on Methods of Economic Regionalization of the International Geographical Union. Warszawa: Państowe Wydawn. Naukowe, 1968.
MLA (9th ed.) CitationBerry, Brian Joe Lobley. Economic Regionalization and Numerical Methods: Final Report of the Commission on Methods of Economic Regionalization of the International Geographical Union. Państowe Wydawn. Naukowe, 1968.
Warning: These citations may not always be 100% accurate.