All-in-one CISA certified information systems auditor exam guide
Gregory Peter H.Kniha
Citace v seznamu literatury:
GREGORY, Peter H. All-in-one CISA certified information systems auditor exam guide. New York: McGraw-Hill, 2010. ISBN 9780071487559. Dostupné také z: http://www.loc.gov/catdir/enhancements/fy1012/2010277284-b.html.