Klinge, A., & Bache, C. (1998). Mastering English: A student's workbook and guide. Mouton de Gruyter.
Chicago Style (17. basım) AtıfKlinge, Alex, ve Carl Bache. Mastering English: A Student's Workbook and Guide. Berlin: Mouton de Gruyter, 1998.
MLA (9th ed.) AtıfKlinge, Alex, ve Carl Bache. Mastering English: A Student's Workbook and Guide. Mouton de Gruyter, 1998.
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