Special Summer Conferences on Friction and Surface Finish Massachusetts Institute of Technology. (1940). Proceedings of the special summer conferences on friction and surface finish: Held at Massachusetts Institute of Technology , Cambridge, Massachusetts : June 5, 6, and 7, 1940. Massachusetts Institute of Technology Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Special Summer Conferences on Friction and Surface Finish Massachusetts Institute of Technology. Proceedings of the Special Summer Conferences on Friction and Surface Finish: Held at Massachusetts Institute of Technology , Cambridge, Massachusetts : June 5, 6, and 7, 1940. Cambridge, Mass.: Massachusetts Institute of Technology Press, 1940.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Special Summer Conferences on Friction and Surface Finish Massachusetts Institute of Technology. Proceedings of the Special Summer Conferences on Friction and Surface Finish: Held at Massachusetts Institute of Technology , Cambridge, Massachusetts : June 5, 6, and 7, 1940. Massachusetts Institute of Technology Press, 1940.