(1959)3., C. o. E. R. (., & Dziewonski, K. (1961). Problems of economic region: Papers of the Conference on Economic Regionalization in Kazimierz <Poland>, May 29-June 1, 1959. Warszawa : Państwowe Wyd. Naukowe.
Chicago Style Citation(1959)3., Conference on Economic Regionalization (Kazimieerz), and Kazimierz Dziewonski. Problems of Economic Region: Papers of the Conference On Economic Regionalization in Kazimierz <Poland>, May 29-June 1, 1959. Warszawa : Państwowe Wyd. Naukowe, 1961.
MLA Citation(1959)3., Conference on Economic Regionalization (Kazimieerz), and Kazimierz Dziewonski. Problems of Economic Region: Papers of the Conference On Economic Regionalization in Kazimierz <Poland>, May 29-June 1, 1959. Warszawa : Państwowe Wyd. Naukowe, 1961.