एपीए उद्धरण

Mark Harrison. (1999). CAE pratice tests: Five tests for the Cambridge Business English Certificate (with answers). Oxford, UK: Oxford Univ. Press.

शिकागो स्टाइल उद्धरण

Mark Harrison. CAE Pratice Tests: Five Tests for the Cambridge Business English Certificate (with Answers). Oxford, UK: Oxford Univ. Press, 1999.

एमएलए उद्धरण

Mark Harrison. CAE Pratice Tests: Five Tests for the Cambridge Business English Certificate (with Answers). Oxford, UK: Oxford Univ. Press, 1999.