Não informado. (1929). Engineering Experiment Station News. Ohio State University, College of Engineering.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Engineering Experiment Station News. Columbus, Ohio: Ohio State University, College of Engineering, 1929.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Engineering Experiment Station News. Ohio State University, College of Engineering, 1929.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.