PORTER, W. T. (1984). Edp Control And Auditing W. Thomas Porter And William E. Perry. Kent Publishing.
Lua i Stíl Chicago (17ú heag.)PORTER, W. Thomas. Edp Control And Auditing W. Thomas Porter And William E. Perry. Kent Publishing, 1984.
Lua MLA (8ú heag.)PORTER, W. Thomas. Edp Control And Auditing W. Thomas Porter And William E. Perry. Kent Publishing, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.