Klinge, A., & Bache, C. (1998). Mastering English: A student's workbook and guide. Mouton de Gruyter.
Chicago-čujuhus (17. p.)Klinge, Alex, juo Carl Bache. Mastering English: A Student's Workbook and Guide. Berlin: Mouton de Gruyter, 1998.
MLA-čujuhus (9. p.)Klinge, Alex, juo Carl Bache. Mastering English: A Student's Workbook and Guide. Mouton de Gruyter, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.