Wallich, H. C. Mainsprings of the German revival. Yale university press.
Lua i Stíl Chicago (17ú heag.)Wallich, Henry C. Mainsprings of the German Revival. Yale university press.
Lua MLA (8ú heag.)Wallich, Henry C. Mainsprings of the German Revival. Yale university press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.