Dyfyniad APA
Block, P. (2000). Flawless consulting: A guide to getting your expertise used (2nd ed.). Jossey-Bass/Pfeiffer.
Dyfyniad Arddull Chicago
Block, Peter. Flawless Consulting: A Guide to Getting Your Expertise Used. 2nd ed. San Francisco: Jossey-Bass/Pfeiffer, 2000.
Dyfyniad MLA
Block, Peter. Flawless Consulting: A Guide to Getting Your Expertise Used. 2nd ed. Jossey-Bass/Pfeiffer, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.