एपीए उद्धरण

Richards, J. C., & Long, M. N. (1988). Breakthrough: A course in English comunication practice. Kuala Lumpur: Oxford University Press.

शिकागो स्टाइल उद्धरण

Richards, J. C., और M. N. Long. Breakthrough: A Course in English Comunication Practice. Kuala Lumpur: Oxford University Press, 1988.

एमएलए उद्धरण

Richards, J. C., और M. N. Long. Breakthrough: A Course in English Comunication Practice. Kuala Lumpur: Oxford University Press, 1988.