(2002). IELTS 2002-2003: The key to success : preparation tips and practice tests. Hawthorn Institute of Education.
Citazione stile Chigago Style (17a edizione)IELTS 2002-2003: The Key to Success : Preparation Tips and Practice Tests. Melbourne: Hawthorn Institute of Education, 2002.
Citatione MLA (9a ed.)IELTS 2002-2003: The Key to Success : Preparation Tips and Practice Tests. Hawthorn Institute of Education, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.