ebrary, Inc, & Vacca, J. R. (2010). Managing information security. Elsevier/Syngress.
Chicago-čujuhus (17. p.)ebrary, Inc, juo John R. Vacca. Managing Information Security. Amsterdam ; Boston: Elsevier/Syngress, 2010.
MLA-čujuhus (9. p.)ebrary, Inc, juo John R. Vacca. Managing Information Security. Elsevier/Syngress, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.