Etschenberg, K. (2003). Was war, was ist, was wird sein? 50 Jahre AJS in NRW - Rückblick und Ausblick. AJS-Forum, 27(4), 4-8.
Chicago Style (17th ed.) CitationEtschenberg, Karla. "Was War, Was Ist, Was Wird Sein? 50 Jahre AJS in NRW - Rückblick Und Ausblick." AJS-Forum 27, no. 4 (2003): 4-8.
MLA (9th ed.) CitationEtschenberg, Karla. "Was War, Was Ist, Was Wird Sein? 50 Jahre AJS in NRW - Rückblick Und Ausblick." AJS-Forum, vol. 27, no. 4, 2003, pp. 4-8.
Warning: These citations may not always be 100% accurate.