एपीए उद्धरण

Ashley, A. (1992). A handbook of commercial correspondence (2nd ed.). Oxford: Oxford University Press.

शिकागो स्टाइल उद्धरण

Ashley, A. A Handbook of Commercial Correspondence. 2nd ed. Oxford: Oxford University Press, 1992.

एमएलए उद्धरण

Ashley, A. A Handbook of Commercial Correspondence. 2nd ed. Oxford: Oxford University Press, 1992.