Hiam, A. (1992). Closing The Quality Gap Lessons From America's Leading Companies Alexander Hiam. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Hiam, Alexander. Closing The Quality Gap Lessons From America's Leading Companies Alexander Hiam. Prentice-Hall, 1992.
Lua MLA (8ú heag.)Hiam, Alexander. Closing The Quality Gap Lessons From America's Leading Companies Alexander Hiam. Prentice-Hall, 1992.
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