Jakeman, V. (2006). Action plan for IELTS: General training module. Cambridge, UK: Cambridge University Press.
Chicago Style aipamenaJakeman, Vanessa. Action Plan for IELTS: General Training Module. Cambridge, UK: Cambridge University Press, 2006.
MLA aipamenaJakeman, Vanessa. Action Plan for IELTS: General Training Module. Cambridge, UK: Cambridge University Press, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.