एपीए उद्धरण

Harrison, M., & Kerr, R. (1999). CAE practice tests: Five tests for the Cambridge Certificate in Advanced English. Oxford: Oxford University Press.

शिकागो स्टाइल उद्धरण

Harrison, Mark., और Rosalie Kerr. CAE Practice Tests: Five Tests for the Cambridge Certificate in Advanced English. Oxford: Oxford University Press, 1999.

एमएलए उद्धरण

Harrison, Mark., और Rosalie Kerr. CAE Practice Tests: Five Tests for the Cambridge Certificate in Advanced English. Oxford: Oxford University Press, 1999.