एपीए उद्धरण

Richards, J. C., & Jack C. Richards; David Nunan. (1990). Second language teacher education. Cambridge, UK: Cambridge Univ. Press.

शिकागो स्टाइल उद्धरण

Richards, Jack C., और Jack C. Richards; David Nunan. Second Language Teacher Education. Cambridge, UK: Cambridge Univ. Press, 1990.

एमएलए उद्धरण

Richards, Jack C., और Jack C. Richards; David Nunan. Second Language Teacher Education. Cambridge, UK: Cambridge Univ. Press, 1990.