Dyfyniad APA

Geffner, A. B. (2010). Business English: The writing skills you need for today's workplace. Hauppauge, N.Y: Barron's Educational Series.

Dyfyniad Arddull Chicago

Geffner, Andrea B. Business English: The Writing Skills You Need for Today's Workplace. Hauppauge, N.Y: Barron's Educational Series, 2010.

Dyfyniad MLA

Geffner, Andrea B. Business English: The Writing Skills You Need for Today's Workplace. Hauppauge, N.Y: Barron's Educational Series, 2010.

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