Niblick, J. (2013). The profitable consultant: Starting, growing, and selling your expertise. Wiley.
Chicago Style (17th ed.) CitationNiblick, Jay. The Profitable Consultant: Starting, Growing, and Selling Your Expertise. Hoboken: Wiley, 2013.
Trích dẫn MLANiblick, Jay. The Profitable Consultant: Starting, Growing, and Selling Your Expertise. Wiley, 2013.
Cảnh báo! Những trích dẫn này có thể không chính xác 100%.