Holtz Herman, & Zahn David. (2004). How to Succeed as an Independent Consultant. American: Wiley.
Chicago-стиль цитированияHoltz Herman, và Zahn David. How to Succeed As an Independent Consultant. American: Wiley, 2004.
MLA-цитированиеHoltz Herman, và Zahn David. How to Succeed As an Independent Consultant. American: Wiley, 2004.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.