Becker, E. F., & Wortmann, J. (2009). Mastering Communication at Work: How to Lead, Manage, and Influence. McGraw Hill Education.
Čikaški stil citiranja (17. izdanje)Becker, Ethan F., i Jon Wortmann. Mastering Communication at Work: How to Lead, Manage, and Influence. New York: McGraw Hill Education, 2009.
MLA način citiranja (9. izdanje)Becker, Ethan F., i Jon Wortmann. Mastering Communication at Work: How to Lead, Manage, and Influence. McGraw Hill Education, 2009.
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