Cita APA (7th ed.)

Brook-Hart, G., & Jakeman, V. (2012). Complete IELTS. Cambridge University Press.

Cita Chicago (17th ed.)

Brook-Hart, Guy, i Vanessa Jakeman. Complete IELTS. Cambridge: Cambridge University Press, 2012.

Cita MLA (8th ed.)

Brook-Hart, Guy, i Vanessa Jakeman. Complete IELTS. Cambridge University Press, 2012.