Grümpel, C. “Interlanguage Studies in a Cross Cultural Context: The Interlanguage of Spanish Speakers (L1) in an Approach English (L2), German (L3)”. Alicante Journal of English Studies / Revista Alicantina De Estudios Ingleses, no. 22, Nov. 2009, pp. 315-26, doi:10.14198/raei.2009.22.18.