Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

Baugh , L. How to Write First Class Letterts. Viva, 1998.