Cita APA (7a ed.)

Merriam, W. (1996). Merriam - Webster`s guide to business correspondence. Merriam -Webster.

Cita Chicago Style (17a ed.)

Merriam, Webster. Merriam - Webster`s Guide to Business Correspondence. Springfiel d: Merriam -Webster, 1996.

Cita MLA (9a ed.)

Merriam, Webster. Merriam - Webster`s Guide to Business Correspondence. Merriam -Webster, 1996.