Cita APA

Jakeman, V., & McDowell, C. (2004). Step up to IELTS: Self-study student's book. Cambridge, United Kingdom: Cambridge University Press.

Citación estilo Chicago

Jakeman, Vanessa, and Clare McDowell. Step Up to IELTS: Self-study Student's Book. Cambridge, United Kingdom: Cambridge University Press, 2004.

Cita MLA

Jakeman, Vanessa, and Clare McDowell. Step Up to IELTS: Self-study Student's Book. Cambridge, United Kingdom: Cambridge University Press, 2004.