Não informado. (1929). Engineering Experiment Station News. Ohio State University, College of Engineering.
Lua i Stíl Chicago (17ú heag.)Não informado. Engineering Experiment Station News. Columbus, Ohio: Ohio State University, College of Engineering, 1929.
Lua MLA (8ú heag.)Não informado. Engineering Experiment Station News. Ohio State University, College of Engineering, 1929.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.