APA-viite (7. p.)

Jakeman, V., & McDowell, C. (2003). Cambridge practice tests for IELTS 1. Cambridge University Press.

Chicago-viite (17. p.)

Jakeman, Vanessa, ja Clare McDowell. Cambridge Practice Tests for IELTS 1. Cambridge: Cambridge University Press, 2003.

MLA-viite (8. p.)

Jakeman, Vanessa, ja Clare McDowell. Cambridge Practice Tests for IELTS 1. Cambridge University Press, 2003.