Cita APA (7th ed.)

Jakeman, V., & McDowell, C. (2002). Insight into IELTS: The Cambridge IELTS course. Cambridge University Press.

Cita Chicago (17th ed.)

Jakeman, Vanessa, i Clare McDowell. Insight into IELTS: The Cambridge IELTS Course. Cambridge: Cambridge University Press, 2002.

Cita MLA (9th ed.)

Jakeman, Vanessa, i Clare McDowell. Insight into IELTS: The Cambridge IELTS Course. Cambridge University Press, 2002.