APA (7th ed.) Citation

Oxford University Press. English Language Teaching Development Unit. (1973). English for business: Tape companion. Oxford University Press.

Chicago Style (17th ed.) Citation

Oxford University Press. English Language Teaching Development Unit. English for Business: Tape Companion. London: Oxford University Press, 1973.

MLA (9th ed.) Citation

Oxford University Press. English Language Teaching Development Unit. English for Business: Tape Companion. Oxford University Press, 1973.