APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (8. izdanje)

Holtz, Herman, i David Zahn. How to Succeed as an Independent Consultant. 4th ed. Wiley, 2004.