(2011-12-08) “English as a Lingua Franca: concepts, use, and implications”, ELT Journal66 (1), p. 97–105. doi:10.1093/elt/ccr069.
spichtinger.net
Spichtinger, Daniel. 2000. The Spread of English and its Appropriation. Unpublished MA Thesis, University of Vienna. http://spichtinger.net/Uni/sp-dipl3.pdf.