Engineering Foundation (U.S.), American Institute of Electrical Engineers, American Institute of Mining and Metallurgical Engineers, American Society of Civil Engineers, American Society of Mechanical Engineers, & United Engineering Society. (1919). The Engineering foundation: A progress report to United engineering society: American society of civil engineers, American institute of mining and metallurgical engineers, American society of mechanical engineers, American institute of electrical engineers. The Society.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Engineering Foundation (U.S.), American Institute of Electrical Engineers, American Institute of Mining and Metallurgical Engineers, American Society of Civil Engineers, American Society of Mechanical Engineers, و United Engineering Society. The Engineering Foundation: A Progress Report to United Engineering Society: American Society of Civil Engineers, American Institute of Mining and Metallurgical Engineers, American Society of Mechanical Engineers, American Institute of Electrical Engineers. New York city: The Society, 1919.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Engineering Foundation (U.S.), et al. The Engineering Foundation: A Progress Report to United Engineering Society: American Society of Civil Engineers, American Institute of Mining and Metallurgical Engineers, American Society of Mechanical Engineers, American Institute of Electrical Engineers. The Society, 1919.