Geffner, A. B. (2010). Business English: The writing skills you need for today's workplace. Hauppauge, N.Y: Barron's Educational Series.
استشهاد بنمط شيكاغوGeffner, Andrea B. Business English: The Writing Skills You Need for Today's Workplace. Hauppauge, N.Y: Barron's Educational Series, 2010.
MLA استشهادGeffner, Andrea B. Business English: The Writing Skills You Need for Today's Workplace. Hauppauge, N.Y: Barron's Educational Series, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.