Holtz, H. (2004). How to succeed as an independent consultant. Hoboken, N.J: John Wiley & Sons, Inc.
Trích dẫn kiểu ChicagoHoltz, Herman. How to Succeed As an Independent Consultant. Hoboken, N.J: John Wiley & Sons, Inc, 2004.
Deismireacht MLAHoltz, Herman. How to Succeed As an Independent Consultant. Hoboken, N.J: John Wiley & Sons, Inc, 2004.
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