Não informado. (1929). Engineering Experiment Station News. Ohio State University, College of Engineering.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Engineering Experiment Station News. Columbus, Ohio: Ohio State University, College of Engineering, 1929.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Engineering Experiment Station News. Ohio State University, College of Engineering, 1929.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.