Silberman, M. (2001). The Consultant's Tool Kit: High-Impact Questionnaires, Activities, and How-to Guides for Diagnosing and Solving Client Problems. McGraw Hill.
Παραπομπή σε μορφή Chicago (17η εκδ.)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.
Παραπομπή σε μορφή MLA (9th εκδ.)Silberman, Mel. The Consultant's Tool Kit: High-Impact Questionnaires, Activities, and How-to Guides for Diagnosing and Solving Client Problems. McGraw Hill, 2001.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.