Não informado. (1948). Columbia Engineering Quarterly. Columbia University, Faculty of Engineering, School of Engineering.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Columbia Engineering Quarterly. New York: Columbia University, Faculty of Engineering, School of Engineering, 1948.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Columbia Engineering Quarterly. Columbia University, Faculty of Engineering, School of Engineering, 1948.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.