American Association of Teachers of German & Bagster-Collins, E. W. The German quarterly. [American Association of Teachers of German].
Citazione stile Chigago Style (17a edizione)American Association of Teachers of German e E. W. Bagster-Collins. The German Quarterly. [Philadelphia, etc.]: [American Association of Teachers of German].
Citatione MLA (9a ed.)American Association of Teachers of German e E. W. Bagster-Collins. The German Quarterly. [American Association of Teachers of German].
Attenzione: Queste citazioni potrebbero non essere precise al 100%.