Não informado. (1928). German Quarterly. American Association of Teachers of German.
Chicago-Zitierstil (17. Ausg.)Não informado. German Quarterly. Philadelphia, Pa: American Association of Teachers of German, 1928.
MLA-Zitierstil (8. Ausg.)Não informado. German Quarterly. American Association of Teachers of German, 1928.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
