Black, M. (2006). Objective Ielts / Michael Black. Cambridge University Press.
Chicago Style (17th ed.) CitationBlack, Michael,Sharp. Objective Ielts / Michael Black. Cambridge University Press, 2006.
MLA (8th ed.) CitationBlack, Michael,Sharp. Objective Ielts / Michael Black. Cambridge University Press, 2006.
Warning: These citations may not always be 100% accurate.