Pred, A. r. 1. (1977). City systems in advanced economics: Past growth, present processes, and future development options. Wiley.
Chicago-viite (17. p.)Pred, Allan richard 1936. City Systems in Advanced Economics: Past Growth, Present Processes, and Future Development Options. New york: Wiley, 1977.
MLA-viite (9. p.)Pred, Allan richard 1936. City Systems in Advanced Economics: Past Growth, Present Processes, and Future Development Options. Wiley, 1977.
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