Hagboldt, P. H., Kaufmann, F. W., & Balduf, E. W. (1927). Inductive readings in German.. The University of Chicago press.
Lua i Stíl Chicago (17ú heag.)Hagboldt, Peter Herman, Friedrich Wilhelm Kaufmann, agus Emery Winfielf Balduf. Inductive Readings in German.. Chicago, Ill: The University of Chicago press, 1927.
Lua MLA (9ú heag.)Hagboldt, Peter Herman, et al. Inductive Readings in German.. The University of Chicago press, 1927.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.