APA (7th ed.) Citation

RICHARDS, J., & LONG, M. (1981). Breakthrough 2: A course in english communication prac-tice. Oxford University Press.

Chicago Style (17th ed.) Citation

RICHARDS, J.C, and M.N LONG. Breakthrough 2: A Course in English Communication Prac-tice. Kuala Lumpur: Oxford University Press, 1981.

MLA (9th ed.) Citation

RICHARDS, J.C, and M.N LONG. Breakthrough 2: A Course in English Communication Prac-tice. Oxford University Press, 1981.