Não informado. (1929). Engineering Experiment Station News. Ohio State University, College of Engineering.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Engineering Experiment Station News. Columbus, Ohio: Ohio State University, College of Engineering, 1929.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Engineering Experiment Station News. Ohio State University, College of Engineering, 1929.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.