BAIRD, L. S. (1990). Management Functions And Responsibilities Lloyd S. Baird, James E. Post, John F. Mahon. Harper & Roe.
Lua i Stíl Chicago (17ú heag.)BAIRD, Lloyd S. Management Functions And Responsibilities Lloyd S. Baird, James E. Post, John F. Mahon. Harper & Roe, 1990.
Lua MLA (8ú heag.)BAIRD, Lloyd S. Management Functions And Responsibilities Lloyd S. Baird, James E. Post, John F. Mahon. Harper & Roe, 1990.
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