Cita APA (7a ed.)

Harrison, M. (2012). Complete IELTS: Bands 5-6.5 : Workbook with Answers. Cambridge University Press.

Cita Chicago Style (17a ed.)

Harrison, Mark. Complete IELTS: Bands 5-6.5 : Workbook with Answers. Cambridge: Cambridge University Press, 2012.

Cita MLA (8a ed.)

Harrison, Mark. Complete IELTS: Bands 5-6.5 : Workbook with Answers. Cambridge University Press, 2012.