JACKSON, J. H. (1987). Business Contemporary Concepts And Practices;of Introduction To Modern Business Vernon A. Musselman, John H. Jackson. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)JACKSON, John H. Business Contemporary Concepts And Practices;of Introduction To Modern Business Vernon A. Musselman, John H. Jackson. Prentice-Hall, 1987.
Lua MLA (8ú heag.)JACKSON, John H. Business Contemporary Concepts And Practices;of Introduction To Modern Business Vernon A. Musselman, John H. Jackson. Prentice-Hall, 1987.
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