APA (7e ed.) Bronvermelding

Sahanaya, W., Lindeck, J., & Stewart, R. (1998). IELTS preparation and practice: Reading and writing academic module. Oxford University Press.

Chicago (17e ed.) Bronvermelding

Sahanaya, Wendy, Jeremy Lindeck, en Richard Stewart. IELTS Preparation and Practice: Reading and Writing Academic Module. Melbourne, Australia: Oxford University Press, 1998.

MLA (8e ed.) Bronvermelding

Sahanaya, Wendy, et al. IELTS Preparation and Practice: Reading and Writing Academic Module. Oxford University Press, 1998.