KOTTER, J. P. (1985). Power And Influence John P. Kotter. the Free Press.
Lua i Stíl Chicago (17ú heag.)KOTTER, John P. Power And Influence John P. Kotter. the Free Press, 1985.
Lua MLA (8ú heag.)KOTTER, John P. Power And Influence John P. Kotter. the Free Press, 1985.
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