World International Property Organization. (1998). Intellectual Property Reading Material.
Chicago-čujuhus (17. p.)World International Property Organization. Intellectual Property Reading Material. Geneva, 1998.
MLA-čujuhus (9. p.)World International Property Organization. Intellectual Property Reading Material. 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.