American Society of Mechanical Engineers. Council on Public Affairs. Committee on Issues Identification & Hudson Institute. (1999). Mechanical engineering in the 21st century: Trends impacting the profession : a report to the Committee on Issues Identification, American Society of Mechanical Engineers, ASME International. Hudson Institute, Inc..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American Society of Mechanical Engineers. Council on Public Affairs. Committee on Issues Identification و Hudson Institute. Mechanical Engineering in the 21st Century: Trends Impacting the Profession : A Report to the Committee on Issues Identification, American Society of Mechanical Engineers, ASME International. Indianapolis, Ind.: Hudson Institute, Inc., 1999.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)American Society of Mechanical Engineers. Council on Public Affairs. Committee on Issues Identification و Hudson Institute. Mechanical Engineering in the 21st Century: Trends Impacting the Profession : A Report to the Committee on Issues Identification, American Society of Mechanical Engineers, ASME International. Hudson Institute, Inc., 1999.
