TOWLES, M. F. (1978). Practical Accounting Systems And Procedures / Martin F. Towles. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)TOWLES, Martin F. Practical Accounting Systems And Procedures / Martin F. Towles. Prentice-Hall, 1978.
Lua MLA (8ú heag.)TOWLES, Martin F. Practical Accounting Systems And Procedures / Martin F. Towles. Prentice-Hall, 1978.
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