APA-Zitierstil (7. Ausg.)

Ettinger, B., & Perfetto, E. (2008). Business English: Writing in the workplace (4th ed.). Pearson Prentice Hall.

Chicago-Zitierstil (17. Ausg.)

Ettinger, Blanche, und Edda Perfetto. Business English: Writing in the Workplace. 4th ed. Upper Saddle River, N.J: Pearson Prentice Hall, 2008.

MLA-Zitierstil (9. Ausg.)

Ettinger, Blanche, und Edda Perfetto. Business English: Writing in the Workplace. 4th ed. Pearson Prentice Hall, 2008.