APA citiranje

 Niblick, J. (2013).  The profitable consultant: Starting, growing, and selling your expertise.  Wiley.

Trích dẫn kiểu Chicago

 Niblick, Jay.  The Profitable Consultant: Starting, Growing, and Selling Your Expertise.  Wiley, 2013.

MLA citiranje

 Niblick, Jay.  The Profitable Consultant: Starting, Growing, and Selling Your Expertise.  Wiley, 2013.

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