MUSSELMAN, V. A., & JACKSON, J. H. (1984). Introduction to modern business.-- ed.9. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)MUSSELMAN, Vernon A., agus John H. JACKSON. Introduction to Modern Business.-- Ed.9. New Jersey: Prentice-Hall, 1984.
Lua MLA (9ú heag.)MUSSELMAN, Vernon A., agus John H. JACKSON. Introduction to Modern Business.-- Ed.9. Prentice-Hall, 1984.
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