एपीए उद्धरण

Mary Spratt. (2000). The Cambridge CAE course (teacher's book). Cambridge, UK: Cambridge Univ. Press.

शिकागो स्टाइल उद्धरण

Mary Spratt. The Cambridge CAE Course (teacher's Book). Cambridge, UK: Cambridge Univ. Press, 2000.

एमएलए उद्धरण

Mary Spratt. The Cambridge CAE Course (teacher's Book). Cambridge, UK: Cambridge Univ. Press, 2000.