Jakeman, V. (2004). Step up to IELTS. Cambridge University Press.
Chicago Style (17th ed.) CitationJakeman, Vanessa. Step Up to IELTS. Cambridge: Cambridge University Press, 2004.
MLA (8th ed.) CitationJakeman, Vanessa. Step Up to IELTS. Cambridge University Press, 2004.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.