BIERMAN, H. (1991). Quantitative Analysis For Business Decisions. il.Irwin.
Lua i Stíl Chicago (17ú heag.)BIERMAN, Harold. Quantitative Analysis For Business Decisions. il.Irwin, 1991.
Lua MLA (8ú heag.)BIERMAN, Harold. Quantitative Analysis For Business Decisions. il.Irwin, 1991.
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