RAY, S. (2014). OUR EARTH: A BOOK OF GEOGRAPHY - 5. FRANK EDUCATIONAL AIDS.
Čikaški stil citiranja (17. izdanje)RAY, SUMITRA. OUR EARTH: A BOOK OF GEOGRAPHY - 5. FRANK EDUCATIONAL AIDS, 2014.
MLA način citiranja (9. izdanje)RAY, SUMITRA. OUR EARTH: A BOOK OF GEOGRAPHY - 5. FRANK EDUCATIONAL AIDS, 2014.
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