Block, P. (2000). Peter block flawless consulting: A guide to getting your expertise used. San Francisco: Jossey-Bass/Pfeiffer.
Trích dẫn kiểu ChicagoBlock, Peter. Peter Block Flawless Consulting: A Guide to Getting Your Expertise Used. San Francisco: Jossey-Bass/Pfeiffer, 2000.
Deismireacht MLABlock, Peter. Peter Block Flawless Consulting: A Guide to Getting Your Expertise Used. San Francisco: Jossey-Bass/Pfeiffer, 2000.
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