BELL, W. H. Auditing William H. Bell, Ralph S. Johns, Thomas B. Hogan. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)BELL, William H. Auditing William H. Bell, Ralph S. Johns, Thomas B. Hogan. Prentice-Hall.
Lua MLA (8ú heag.)BELL, William H. Auditing William H. Bell, Ralph S. Johns, Thomas B. Hogan. Prentice-Hall.
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