Jones, L. (1993). Progress to Proficiency: Student's Book (New edition.). Cambridge: Cambridge University Press.
Chicago Style CitationJones, Leo. Progress to Proficiency: Student's Book. New edition. Cambridge: Cambridge University Press, 1993.
MLA CitationJones, Leo. Progress to Proficiency: Student's Book. New edition. Cambridge: Cambridge University Press, 1993.
Warning: These citations may not always be 100% accurate.