O'sullivan, Walter, & Swan, M. (1992). The new Cambridge English course: Practice 3 with key intermediate. Cambridge University Press.
Chicago Style (17th ed.) CitationO'sullivan, Walter, and Michael Swan. The New Cambridge English Course: Practice 3 with Key Intermediate. Cambridge: Cambridge University Press, 1992.
MLA (8th ed.) CitationO'sullivan, et al. The New Cambridge English Course: Practice 3 with Key Intermediate. Cambridge University Press, 1992.
Warning: These citations may not always be 100% accurate.