May, P. (1990). The complete proficiency practice tests 1 (Self study ed. with key.). Heinemann.
Chicago Style (17th ed.) CitationMay, Peter. The Complete Proficiency Practice Tests 1. Self study ed. with key. Oxford: Heinemann, 1990.
MLA (9th ed.) CitationMay, Peter. The Complete Proficiency Practice Tests 1. Self study ed. with key. Heinemann, 1990.
Warning: These citations may not always be 100% accurate.