Gude, K., & Duckworth, M. (1994). Masterclass Proficiency. Oxford: Oxford University Press.
Chicago Style CitationGude, Kathy., and Michael Duckworth. Masterclass Proficiency. Oxford: Oxford University Press, 1994.
MLA CitationGude, Kathy., and Michael Duckworth. Masterclass Proficiency. Oxford: Oxford University Press, 1994.
Warning: These citations may not always be 100% accurate.