Cita APA (7th ed.)

Klinge, A., & Bache, C. (1998). Mastering English: A student's workbook and guide. Mouton de Gruyter.

Cita Chicago (17th ed.)

Klinge, Alex, i Carl Bache. Mastering English: A Student's Workbook and Guide. Berlin: Mouton de Gruyter, 1998.

Cita MLA (9th ed.)

Klinge, Alex, i Carl Bache. Mastering English: A Student's Workbook and Guide. Mouton de Gruyter, 1998.