Niblick, J. (2013). The profitable consultant: Starting, growing, and selling your expertise. Hoboken: Wiley.
Chicago ZitierstilNiblick, Jay. The Profitable Consultant: Starting, Growing, and Selling Your Expertise. Hoboken: Wiley, 2013.
MLA ZitierstilNiblick, Jay. The Profitable Consultant: Starting, Growing, and Selling Your Expertise. Hoboken: Wiley, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.