WORLD BANK. (1998). WORLD DEVELOPMENT INDICATORS - 1998. WORLD BANK.
Chicago-čujuhus (17. p.)WORLD BANK. WORLD DEVELOPMENT INDICATORS - 1998. WASHINGTON: WORLD BANK, 1998.
MLA-čujuhus (9. p.)WORLD BANK. WORLD DEVELOPMENT INDICATORS - 1998. WORLD BANK, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.