Gaya APA
Brook-Hart, G., Jay, V, J, &, D. (2013).
Complete IELTS 6,5-7,5: Teacher's Book .
Cambridge Univ:
Wiley-Blackwell.
Gaya MLA
Brook-Hart, Guy., Jay, Vanessa, Jakeman, &, David.
"Complete IELTS 6,5-7,5: Teacher's Book".
Cambridge Univ:
Wiley-Blackwell,
2013.
Text.