Silberman, M. (2001). The Consultant's Tool Kit: High-Impact Questionnaires, Activities, and How-to Guides for Diagnosing and Solving Client Problems. McGraw Hill.
Chicago-referens (17:e uppl.)Silberman, Mel. The Consultant's Tool Kit: High-Impact Questionnaires, Activities, and How-to Guides for Diagnosing and Solving Client Problems. New York: McGraw Hill, 2001.
MLA-referens (9:e uppl.)Silberman, Mel. The Consultant's Tool Kit: High-Impact Questionnaires, Activities, and How-to Guides for Diagnosing and Solving Client Problems. McGraw Hill, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.