एपीए उद्धरण

(2002). Cambridge certificate of proficiency in English ( Student's book with answers ). Cambridge, UK: Cambridge Univ. Press.

शिकागो स्टाइल उद्धरण

Cambridge Certificate of Proficiency in English ( Student's Book With Answers ). Cambridge, UK: Cambridge Univ. Press, 2002.

एमएलए उद्धरण

Cambridge Certificate of Proficiency in English ( Student's Book With Answers ). Cambridge, UK: Cambridge Univ. Press, 2002.