Geffner, A. B. (2010). Business English: The writing skills you need for today's workplace. Hauppauge, N.Y: Barron's Educational Series.
Čikaški stil citiranjaGeffner, Andrea B. Business English: The Writing Skills You Need for Today's Workplace. Hauppauge, N.Y: Barron's Educational Series, 2010.
MLA način citiranjaGeffner, 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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