Cita APA (7a ed.)

Geffner, A. B. (2000). How to write better business letters (3rd ed.). Barron's.

Cita Chicago Style (17a ed.)

Geffner, Andrea B. How to Write Better Business Letters. 3rd ed. Hauppauge, N.Y: Barron's, 2000.

Cita MLA (9a ed.)

Geffner, Andrea B. How to Write Better Business Letters. 3rd ed. Barron's, 2000.