TRUEMAN RICHARD E. (1981). QUANTITATIVE METHODS FOR DECISIONS MAKING IN BUSINESS. HOLT SAUNDERS.
Lua i Stíl Chicago (17ú heag.)TRUEMAN RICHARD E. QUANTITATIVE METHODS FOR DECISIONS MAKING IN BUSINESS. CHICAGO: HOLT SAUNDERS, 1981.
Lua MLA (9ú heag.)TRUEMAN RICHARD E. QUANTITATIVE METHODS FOR DECISIONS MAKING IN BUSINESS. HOLT SAUNDERS, 1981.
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