Clawson, J. G. (2009). Level three leadership: Getting below the surface (4th ed.). Pearson/Prentice Hall.
Chicago-referens (17:e uppl.)Clawson, James G. Level Three Leadership: Getting Below the Surface. 4th ed. Upper Saddle River, N.J: Pearson/Prentice Hall, 2009.
MLA-referens (9:e uppl.)Clawson, James G. Level Three Leadership: Getting Below the Surface. 4th ed. Pearson/Prentice Hall, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.