APA (7e ed.) Bronvermelding

Ashley, A. (2007). Oxford handbook of commercial correspondence (4.). Oxford.

Chicago (17e ed.) Bronvermelding

Ashley, A. Oxford Handbook of Commercial Correspondence. 4. New Delhi: Oxford, 2007.

MLA (9e ed.) Bronvermelding

Ashley, A. Oxford Handbook of Commercial Correspondence. 4. Oxford, 2007.