(1997). The Frankfurt CD-ROM. The electronic guide to the Frankfurt book fair.
Chicago-čujuhus (17. p.)The Frankfurt CD-ROM. The Electronic Guide to the Frankfurt Book Fair. 1997.
MLA-čujuhus (9. p.)The Frankfurt CD-ROM. The Electronic Guide to the Frankfurt Book Fair. 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.