Cita APA (7a ed.)
Klinge, A., & Bache, C. (1998). Mastering English: A student's workbook and guide. Mouton de Gruyter.
Cita Chicago Style (17a ed.)
Klinge, Alex, y Carl Bache. Mastering English: A Student's Workbook and Guide. Berlin: Mouton de Gruyter, 1998.
Cita MLA (9a ed.)
Klinge, Alex, y Carl Bache. Mastering English: A Student's Workbook and Guide. Mouton de Gruyter, 1998.
Precaución: Estas citas no son 100% exactas.