APA način citiranja (7. izdanje)
Federación Internacional de Filatelia & Singapore Post. World Stamp Championship 2004: Palmares Catalogue. 28 August to 1 September.
Čikaški stil citiranja (17. izdanje)
Federación Internacional de Filatelia i Singapore Post. World Stamp Championship 2004: Palmares Catalogue. 28 August to 1 September.
MLA način citiranja (9. izdanje)
Federación Internacional de Filatelia i Singapore Post. World Stamp Championship 2004: Palmares Catalogue. 28 August to 1 September.
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