Black, M., Boyd, E., & Triggs, T. (2006). Objective IELTS Intermediate [CD-ROM]: Self-study student's book. New York: Cambridge University Press.
Chicago Style CitationBlack, Michael, Elaine Boyd, and Tony Triggs. Objective IELTS Intermediate [CD-ROM]: Self-study Student's Book. New York: Cambridge University Press, 2006.
MLA CitationBlack, Michael, Elaine Boyd, and Tony Triggs. Objective IELTS Intermediate [CD-ROM]: Self-study Student's Book. New York: Cambridge University Press, 2006.
Warning: These citations may not always be 100% accurate.