1. Alderson, J. Charles (1991). “Bands and Scores”. In: Alderson, J. Charles & North, Brian (Eds.), Language Testing in the 1990s: The Communicative Legacy. London; British Council / Macmilian, 71-86.
2. Bachman, Lyle F. (1990). Fundamental Considerations in Language Testing. Oxford: Oxford University Press. 325-330.
3. Brindley, Geoff (1989). “The Role of Needs Analysis in Adult ESL Program Design.” In: Johnson, Robert Keith. (Ed.), The Second Language Curriculum. Cambridge University Press, 63-78.
4. Brindley, Geoff (2001). “Outcomes-based assessment in practice: some examples and emerging insights.” Language Testing 18(4), 393-407.
5. Davies, Alan; Brown, Annie; Elder, Cathie; Hill, Kathryn; Lumley, Tom & McNamara, Tim (1999).