APA (7. basım) Alıntı

Witt, R. d. (2008). How to Prepare for IELTS. The British Council.

Chicago Style (17. basım) Atıf

Witt, Ray de. How to Prepare for IELTS. New Delhi: The British Council, 2008.

MLA (9th ed.) Atıf

Witt, Ray de. How to Prepare for IELTS. The British Council, 2008.