Toppin, G. C. (2007). Business consulting: A guide to how it works and how to make it work.
シカゴスタイル引用形Toppin, Gilbert; Czerniawska. Business Consulting: A Guide to How It Works and How to Make It Work. Economist, 2007.
MLA引用形式Toppin, Gilbert; Czerniawska. Business Consulting: A Guide to How It Works and How to Make It Work. 2007.
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