International Conference on the Physics of Electronic and Atomic Collisions Massachusetts Institute of Technology. (1969). Sixth International Conference on the Physics of Electronic and Atomic Collisions: Abstracts of papers : Massachusetts Institute of Technology Cambridge, Massachusetts, U.S.A. July 28-August 2, 1969. The Conference.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Conference on the Physics of Electronic and Atomic Collisions Massachusetts Institute of Technology. Sixth International Conference on the Physics of Electronic and Atomic Collisions: Abstracts of Papers : Massachusetts Institute of Technology Cambridge, Massachusetts, U.S.A. July 28-August 2, 1969. Cambridge, Mass.: The Conference, 1969.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)International Conference on the Physics of Electronic and Atomic Collisions Massachusetts Institute of Technology. Sixth International Conference on the Physics of Electronic and Atomic Collisions: Abstracts of Papers : Massachusetts Institute of Technology Cambridge, Massachusetts, U.S.A. July 28-August 2, 1969. The Conference, 1969.