LEWIS, P. V. (1983). Business Report Writing Philip V. Lewis And William H. Baker. Grid Publishing.
Lua i Stíl Chicago (17ú heag.)LEWIS, Phillip V. Business Report Writing Philip V. Lewis And William H. Baker. Grid Publishing, 1983.
Lua MLA (8ú heag.)LEWIS, Phillip V. Business Report Writing Philip V. Lewis And William H. Baker. Grid Publishing, 1983.
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