Cita APA (7a ed.)

Baugh, L. (1998). How to write first class business correspondence. Viva.

Cita Chicago Style (17a ed.)

Baugh, L. How to Write First Class Business Correspondence. New Delhi: Viva, 1998.

Cita MLA (9a ed.)

Baugh, L. How to Write First Class Business Correspondence. Viva, 1998.