Riewoldt, O. (1994). Internationales Office Design. Bangert.
Lua i Stíl Chicago (17ú heag.)Riewoldt, Otto. Internationales Office Design. München: Bangert, 1994.
Lua MLA (8ú heag.)Riewoldt, Otto. Internationales Office Design. Bangert, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.