APA (7e ed.) Bronvermelding

Sahanaya, W., & Hughes, T. (2002). IELTS preparation and practice: Practice test with annotated answer key. Oxford University press.

Chicago (17e ed.) Bronvermelding

Sahanaya, Wendy, en Terri Hughes. IELTS Preparation and Practice: Practice Test with Annotated Answer Key. Oxford: Oxford University press, 2002.

MLA (8e ed.) Bronvermelding

Sahanaya, Wendy, en Terri Hughes. IELTS Preparation and Practice: Practice Test with Annotated Answer Key. Oxford University press, 2002.