(1998). Managing Risk to the National Information Infrastructure.
Chicago-čujuhus (17. p.)Managing Risk to the National Information Infrastructure. 1998.
MLA-čujuhus (9. p.)Managing Risk to the National Information Infrastructure. 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.