Musselman, V. A. (1981). Introduction To Modern Business: Issues And Environment Vernon A. Musselman And Eugene H. Hughes. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Musselman, Vernon A. Introduction To Modern Business: Issues And Environment Vernon A. Musselman And Eugene H. Hughes. Prentice Hall, 1981.
Lua MLA (8ú heag.)Musselman, Vernon A. Introduction To Modern Business: Issues And Environment Vernon A. Musselman And Eugene H. Hughes. Prentice Hall, 1981.
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