FRISCH AELEEN. (2011). ESSENTIAL SYSTEM ADMINISTRATION. SHROFF PUBL.
Chicago-čujuhus (17. p.)FRISCH AELEEN. ESSENTIAL SYSTEM ADMINISTRATION. SHROFF PUBL: SHROFF PUBL, 2011.
MLA-čujuhus (9. p.)FRISCH AELEEN. ESSENTIAL SYSTEM ADMINISTRATION. SHROFF PUBL, 2011.
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