Cita APA (7a ed.)

Jakeman, V. (2004). Step up to IELTS. Cambridge University Press.

Cita Chicago Style (17a ed.)

Jakeman, Vanessa. Step Up to IELTS. Cambridge: Cambridge University Press, 2004.

Cita MLA (8a ed.)

Jakeman, Vanessa. Step Up to IELTS. Cambridge University Press, 2004.