Jakeman, V. (2004). Step Up to IELTS: Student's Book. Cambridge: Cambridge University Press.
Style de citation ChicagoJakeman, Vanessa. Step Up to IELTS: Student's Book. Cambridge: Cambridge University Press, 2004.
Style de citation MLAJakeman, Vanessa. Step Up to IELTS: Student's Book. Cambridge: Cambridge University Press, 2004.
Attention : ces citations peuvent ne pas être correctes à 100%.