Niblick, J. (2013). The profitable consultant: Starting, growing, and selling your expertise. Wiley.
Chicago-стиль цитированияNiblick, Jay. The Profitable Consultant: Starting, Growing, and Selling Your Expertise. Wiley, 2013.
MLA-цитированиеNiblick, Jay. The Profitable Consultant: Starting, Growing, and Selling Your Expertise. Wiley, 2013.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.