एपीए उद्धरण

Howatt, A. P. R. . .. History of english language teaching. Oxford University Press.

शिकागो स्टाइल उद्धरण

Howatt, A P R. History of English Language Teaching. Oxford: Oxford University Press.

एमएलए उद्धरण

Howatt, A P R. History of English Language Teaching. Oxford University Press.