Silberman, M. (2001). The consultant's toolkit: High impact questionaires, activities, and how-to guide for diagnosing and solving client problems. McGraw-Hill.
Chicago-Zitierstil (17. Ausg.)Silberman, Mel. The Consultant's Toolkit: High Impact Questionaires, Activities, and How-to Guide for Diagnosing and Solving Client Problems. New York: McGraw-Hill, 2001.
MLA-Zitierstil (9. Ausg.)Silberman, Mel. The Consultant's Toolkit: High Impact Questionaires, Activities, and How-to Guide for Diagnosing and Solving Client Problems. McGraw-Hill, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.