KOLARIK, W. J. (1995). Creating quality concepts, systems, strategies, and tools. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)KOLARIK, William J. Creating Quality Concepts, Systems, Strategies, and Tools. McGraw-Hill, 1995.
Lua MLA (8ú heag.)KOLARIK, William J. Creating Quality Concepts, Systems, Strategies, and Tools. McGraw-Hill, 1995.
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