Sahanaya, W. (2002). IELTS preparation and practice. Oxford University.
Čikaški stil citiranja (17. izdanje)Sahanaya, Wendy. IELTS Preparation and Practice. Oxford University, 2002.
MLA način citiranja (8. izdanje)Sahanaya, Wendy. IELTS Preparation and Practice. Oxford University, 2002.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.