Cita APA

Geffner, A. B., & Geffner, A. B. (1995). How to write better business letters (2. edition.). Hauppauge, New York: Barron's Educational Series.

Citación estilo Chicago

Geffner, Andrea B., y Andrea B. Geffner. How to Write Better Business Letters. 2. edition. Hauppauge, New York: Barron's Educational Series, 1995.

Cita MLA

Geffner, Andrea B., y Andrea B. Geffner. How to Write Better Business Letters. 2. edition. Hauppauge, New York: Barron's Educational Series, 1995.