Rittenberg, L. E. (2008). Auditing a business risk approach 6th edition. Thomson South Western.
Lua i Stíl Chicago (17ú heag.)Rittenberg, Larry E. Auditing a Business Risk Approach 6th Edition. Thomson South Western, 2008.
Lua MLA (8ú heag.)Rittenberg, Larry E. Auditing a Business Risk Approach 6th Edition. Thomson South Western, 2008.
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