WILLINGHAM, J. (1975). Auditing Concepts And Methods John Willingham And D. R. Carmichael. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)WILLINGHAM, John. Auditing Concepts And Methods John Willingham And D. R. Carmichael. McGraw-Hill, 1975.
Lua MLA (8ú heag.)WILLINGHAM, John. Auditing Concepts And Methods John Willingham And D. R. Carmichael. McGraw-Hill, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.