LAZZARO, V. (1968). System And Procedures A Handbook For Business And Industry Victor Lazzaro. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)LAZZARO, Victor. System And Procedures A Handbook For Business And Industry Victor Lazzaro. Prentice-Hall, 1968.
Lua MLA (8ú heag.)LAZZARO, Victor. System And Procedures A Handbook For Business And Industry Victor Lazzaro. Prentice-Hall, 1968.
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