APA Style
Roberts, R. et al (2005).
IELTS Foundation Study Skills : A Self-Study for All General Training Modules .
:
Macmillan; Oxford.
MLA Style
Roberts, Rachael. et al.
"IELTS Foundation Study Skills : A Self-Study for All General Training Modules".
:
Macmillan; Oxford,
2005.
Audio CD.