Cummings, T. G. (2005). Organization Development and Change (6th ed.). Tata McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Cummings, Thomas G. Organization Development and Change. 6th ed. New Delhi: Tata McGraw-Hill, 2005.
Lua MLA (9ú heag.)Cummings, Thomas G. Organization Development and Change. 6th ed. Tata McGraw-Hill, 2005.
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