Leuchten; Hauptkatalog.- Light fittings; main catalogue.- Luminaires; catalogue général.- Lamparas; Catalogo general, 79-80.

MLA

Doria. Leuchten; Hauptkatalog.- Light Fittings; Main Catalogue.- Luminaires; Catalogue Général.- Lamparas; Catalogo General, 79-80. [S.l.]: Doria-Werk, .

APA

Doria, D. (.). Leuchten; Hauptkatalog.- Light fittings; main catalogue.- Luminaires; catalogue général.- Lamparas; Catalogo general, 79-80. [S.l.]: Doria-Werk.

Chicago

Doria Leuchten; Hauptkatalog. Light Fittings; Main Catalogue. Luminaires; Catalogue Général. Lamparas; Catalogo General, 79-80. [S.l.]: Doria-Werk, ..