(2004). Power thinking: How the way you think can change the way you lead / John N. Mangieri, Cathy Collins Block.
Chicago-viite (17. p.)Power Thinking: How the Way You Think Can Change the Way You Lead / John N. Mangieri, Cathy Collins Block. 2004.
MLA-viite (9. p.)Power Thinking: How the Way You Think Can Change the Way You Lead / John N. Mangieri, Cathy Collins Block. 2004.
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