APA Style
Aish, F. et al
(2017).
IELTS 7.5 : Expert Coursebook
(
1)
.
London:
Pearson Education Limited.
MLA Style
Aish, Fiona. et al.
"IELTS 7.5 : Expert Coursebook".
1
London:
Pearson Education Limited,
2017.
Text.