Silberman, M. (2001). The Consultant's Tool Kit: High-Impact Questionnaires, Activities, and How-to Guides for Diagnosing and Solving Client Problems. McGraw Hill.

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.

Silberman, Mel. The Consultant's Tool Kit: High-Impact Questionnaires, Activities, and How-to Guides for Diagnosing and Solving Client Problems. McGraw Hill, 2001.