CUMMINGS, T. G. (2001). Organization development and change. South-Western College Publishers.
Lua i Stíl Chicago (17ú heag.)CUMMINGS, Thomas G. Organization Development and Change. South-Western College Publishers, 2001.
Lua MLA (9ú heag.)CUMMINGS, Thomas G. Organization Development and Change. South-Western College Publishers, 2001.
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