Não informado. (2004). American Engineer: The railway mechanical monthly. Simmons Boardman Publishing.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. American Engineer: The Railway Mechanical Monthly. New York: Simmons Boardman Publishing, 2004.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. American Engineer: The Railway Mechanical Monthly. Simmons Boardman Publishing, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.