Cita APA (7a ed.)

Stanton, A. (1994). Written english for business: First level. Oxford university.

Cita Chicago Style (17a ed.)

Stanton, Alan. Written English for Business: First Level. Oxford: Oxford university, 1994.

Cita MLA (9a ed.)

Stanton, Alan. Written English for Business: First Level. Oxford university, 1994.