1. Ahearn, Laura M. 2001. Language and agency. Annual Review of Anthropology 30. 109–137. DOI: 10.1146/annurev.anthro.30.1.10910.1146/annurev.anthro.30.1.109
2. Alderson, J. Charles. 1991. Bands and scores. In J. Charles Alderson & Brian North (eds.), Language testing in the 1990s: The communicative legacy, 71–86. London: Modern English Publications/British Council.
3. Alderson, J. Charles, Neus Figueras, Henk Kuijper, Guenter Nold, Sauli Takala & Claire Tardieu. 2004. The development of specifications for item development and classification within the Common European Framework of Reference for Languages: Learning, teaching, assessment: Reading and listening: Final report of the Dutch CEF Construct Project. Lancaster University. http://eprints.lancs.ac.uk/44/1/final_report.pdf.
4. Bachman, Lyle F. 1990. Fundamental considerations in language testing. Oxford: Oxford University Press.
5. Banerjee, Jayanti, Xun Yan, Mark Chapman & Heather Elliott. 2015. Keeping up with the times: Revising and refreshing a rating scale. Assessing Writing 26. 5–19. DOI: 10.1016/j.asw.2015.07.00110.1016/j.asw.2015.07.001