Niblick, J. (2013). The profitable consultant: Starting, growing, and selling your expertise. Wiley.
Trích dẫn kiểu ChicagoNiblick, Jay. The Profitable Consultant: Starting, Growing, and Selling Your Expertise. Wiley, 2013.
ציטוט MLANiblick, Jay. The Profitable Consultant: Starting, Growing, and Selling Your Expertise. Wiley, 2013.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.