BARR, B. B. (1976). Short Audit Case The Valley Publishing Company Ben B. Barry, Robert L. Grinaker. Richard D. Irwin.
Lua i Stíl Chicago (17ú heag.)BARR, Ben B. Short Audit Case The Valley Publishing Company Ben B. Barry, Robert L. Grinaker. Richard D. Irwin, 1976.
Lua MLA (8ú heag.)BARR, Ben B. Short Audit Case The Valley Publishing Company Ben B. Barry, Robert L. Grinaker. Richard D. Irwin, 1976.
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