ANNUAL EDITIONS GEOGRAPHY.. & PITZL, G. R. [. (2000). Annual editions geography 00/01/editor Gerald R. Pitzl.-- ed.15. Dushkin/McGraw-Hill.
Čikaški stil citiranja (17. izdanje)ANNUAL EDITIONS GEOGRAPHY.. i Gerald R. [ed] PITZL. Annual Editions Geography 00/01/editor Gerald R. Pitzl.-- Ed.15. Connecticut: Dushkin/McGraw-Hill, 2000.
MLA način citiranja (9. izdanje)ANNUAL EDITIONS GEOGRAPHY.. i Gerald R. [ed] PITZL. Annual Editions Geography 00/01/editor Gerald R. Pitzl.-- Ed.15. Dushkin/McGraw-Hill, 2000.
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