Welzk, S. (1990). Abriß der DDR. Kursbuch.
Chicago Style (17th ed.) CitationWelzk, Stefan. "Abriß Der DDR." Kursbuch 1990.
MLA (9th ed.) CitationWelzk, Stefan. "Abriß Der DDR." Kursbuch, 1990.
Warning: These citations may not always be 100% accurate.