KOLARIK WILIAM J. (1995). CREATING QUALITY: CONCEPTS,SYSTEMS STRATEGIES AND TOOLS. MCGRAW-HILL.
Lua i Stíl Chicago (17ú heag.)KOLARIK WILIAM J. CREATING QUALITY: CONCEPTS,SYSTEMS STRATEGIES AND TOOLS. NEW YORK: MCGRAW-HILL, 1995.
Lua MLA (9ú heag.)KOLARIK WILIAM J. CREATING QUALITY: CONCEPTS,SYSTEMS STRATEGIES AND TOOLS. MCGRAW-HILL, 1995.
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