एपीए उद्धरण

Jack C.Richards. (2004). Connect 4: Student's book. Cambridge: Cambridge University Press.

शिकागो स्टाइल उद्धरण

Jack C.Richards. Connect 4: Student's Book. Cambridge: Cambridge University Press, 2004.

एमएलए उद्धरण

Jack C.Richards. Connect 4: Student's Book. Cambridge: Cambridge University Press, 2004.