Walker, W. A. (1951). Industrial internal auditing, by W. A. Walker and W. R. Dies. McGraw-Hill.
Čikaški stil citiranja (17. izdanje)Walker, Wilbert Alden. Industrial Internal Auditing, by W. A. Walker and W. R. Dies. New york: McGraw-Hill, 1951.
MLA način citiranja (9. izdanje)Walker, Wilbert Alden. Industrial Internal Auditing, by W. A. Walker and W. R. Dies. McGraw-Hill, 1951.
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