Würtz, H. (1981). Offene Fenster 7. Verlag Neues Leben.
Chicago Style (17th ed.) CitationWürtz, Hannes. Offene Fenster 7. Berlin: Verlag Neues Leben, 1981.
MLA (8th ed.) CitationWürtz, Hannes. Offene Fenster 7. Verlag Neues Leben, 1981.
Warning: These citations may not always be 100% accurate.