Stamp,. (1966). Intermediate commercial geography (12th ed.). Longmans.
Čikaški stil citiranja (17. izdanje)Stamp. Intermediate Commercial Geography. 12th ed. London: Longmans, 1966.
MLA način citiranja (9. izdanje)Stamp. Intermediate Commercial Geography. 12th ed. Longmans, 1966.
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