एपीए उद्धरण

Ashley, A. (1992). Handbook of commercial correspondence (2nd ed.). OUP.

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

Ashley, A. Handbook of Commercial Correspondence. 2nd ed. OUP, 1992.