APA-čujuhus (7. p.)
Federación Internacional de Filatelia & Singapore Post. World Stamp Championship 2004: Exhibition Catalogue. 28 August to 1 September.
Chicago-čujuhus (17. p.)
Federación Internacional de Filatelia juo Singapore Post. World Stamp Championship 2004: Exhibition Catalogue. 28 August to 1 September.
MLA-čujuhus (9. p.)
Federación Internacional de Filatelia juo Singapore Post. World Stamp Championship 2004: Exhibition Catalogue. 28 August to 1 September.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.