1. ACTFL. (2002, October 19). Program standards for the preparation of foreign language teachers. Retrieved April 30, 2008, from http://www.actfl.org/files/public/ACTFLNCATEStandards Revised713.pdf
2. ACTFL proficiency guidelines���speaking, revised;Breiner-Sanders;Foreign Language Annals,2000
3. Breiner-Sanders, K. E. , Swender, E. , & Terry, R. M. (2001). American Council on the Teaching of Foreign Languages preliminary proficiency guidelines C writing, revised. Retrieved April 30, 2008, from http://www.actfl.org/i4a/pages/index.cfm?pageid=3326