APA (7th ed.) Citation

Ashley, A. (1992). A handbook of commercial correspondence. (3a edición.). Oxford University Press.

Chicago Style (17th ed.) Citation

Ashley, A. A Handbook of Commercial Correspondence. 3a edición. Oxford: Oxford University Press, 1992.

MLA (9th ed.) Citation

Ashley, A. A Handbook of Commercial Correspondence. 3a edición. Oxford University Press, 1992.