NUERNBERGER, P. (1992). Increasing Executive Productivity A Unique Program For Developing The Inner Skills Of Vison, Leadership And Performance Phil Nuerenberger. Prentice - Hall.
Chicago-viite (17. p.)NUERNBERGER, Phil. Increasing Executive Productivity A Unique Program For Developing The Inner Skills Of Vison, Leadership And Performance Phil Nuerenberger. Prentice - Hall, 1992.
MLA-viite (8. p.)NUERNBERGER, Phil. Increasing Executive Productivity A Unique Program For Developing The Inner Skills Of Vison, Leadership And Performance Phil Nuerenberger. Prentice - Hall, 1992.
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