Gaya APA
O'connell, Sue. (2006).
Focus on IELTS foundation .
England:
Pearson Education Limitet.
Gaya Chicago
O'connell, Sue.
Focus on IELTS foundation.
England:
Pearson Education Limitet,
2006.
Text.
Gaya MLA
O'connell, Sue.
Focus on IELTS foundation.
England:
Pearson Education Limitet,
2006.
Text.
Gaya Turabian
O'connell, Sue.
Focus on IELTS foundation.
England:
Pearson Education Limitet,
2006.
Print.