International Workshop on Symmetry and Perturbation Theory Cala Gonone, Italy, ebrary, Inc, Abenda, S., Gaeta, G., & Walcher, S. (2002). Symmetry and perturbation theory: Proceedings of the international conference SPT 2002, Cala Gonone, Sardinia, Italy, 19-26 May 2002. World Scientific.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Workshop on Symmetry and Perturbation Theory Cala Gonone, Italy, Inc ebrary, Simonetta Abenda, Giuseppe Gaeta, و Sebastian Walcher. Symmetry and Perturbation Theory: Proceedings of the International Conference SPT 2002, Cala Gonone, Sardinia, Italy, 19-26 May 2002. River Edge, NJ: World Scientific, 2002.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Workshop on Symmetry and Perturbation Theory Cala Gonone, Italy, et al. Symmetry and Perturbation Theory: Proceedings of the International Conference SPT 2002, Cala Gonone, Sardinia, Italy, 19-26 May 2002. World Scientific, 2002.