Niblick, J. (2013). The profitable consultant: Starting, growing, and selling your expertise. Wiley.
シカゴスタイル引用形Niblick, Jay. The Profitable Consultant: Starting, Growing, and Selling Your Expertise. Wiley, 2013.
MLA引用形式Niblick, Jay. The Profitable Consultant: Starting, Growing, and Selling Your Expertise. Wiley, 2013.
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