Weimer, A. M., & Long, J. D. (1966). Business administration; an introductory management approach (3rd ed.). R. D. Irwin.
Lua i Stíl Chicago (17ú heag.)Weimer, Arthur Martin, agus John D. Long. Business Administration; an Introductory Management Approach. 3rd ed. Homewood, Ill: R. D. Irwin, 1966.
Lua MLA (9ú heag.)Weimer, Arthur Martin, agus John D. Long. Business Administration; an Introductory Management Approach. 3rd ed. R. D. Irwin, 1966.
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