APA (7th ed.) Citation
Hornby, A. S. (1967). Oxford progressive english alternative course. Oxford University Press.
Chicago Style (17th ed.) Citation
Hornby, A. S. Oxford Progressive English Alternative Course. London: Oxford University Press, 1967.
MLA (9th ed.) Citation
Hornby, A. S. Oxford Progressive English Alternative Course. Oxford University Press, 1967.
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