APA citiranje

Holtz, H., & Zahn, D. (2004). How to succeed as an independent consultant (4th ed.). Hoboken, N.J.: Wiley.

Trích dẫn kiểu Chicago

Holtz, Herman., và David Zahn. How to Succeed As an Independent Consultant. 4th ed. Hoboken, N.J.: Wiley, 2004.

MLA citiranje

Holtz, Herman., và David Zahn. How to Succeed As an Independent Consultant. 4th ed. Hoboken, N.J.: Wiley, 2004.