Penggayaan APA
O'CONNELL, Sue. (2007).
Focus on IELTS Foundation : .
England:
Pearson Longman.
Chicago Style
O'CONNELL, Sue.
Focus on IELTS Foundation :.
England:
Pearson Longman,
2007.
Buku.
MLA Style
O'CONNELL, Sue.
Focus on IELTS Foundation :.
England:
Pearson Longman,
2007.
Buku.
Turabian Style
O'CONNELL, Sue.
Focus on IELTS Foundation :.
England:
Pearson Longman,
2007.
Buku.