International Workshop on Symmetry and Perturbation Theory Cala Gonone, Italy, ebrary, Inc, & Gaeta, G. (2005). Symmetry and perturbation theory: Proceedings of the international conference SPT 2004, Cala Gonone, Sardinia, Italy, 30 May - 6 June 2004. World Scientific.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)International Workshop on Symmetry and Perturbation Theory Cala Gonone, Italy, Inc ebrary, và Giuseppe Gaeta. Symmetry and Perturbation Theory: Proceedings of the International Conference SPT 2004, Cala Gonone, Sardinia, Italy, 30 May - 6 June 2004. Hackensack, N.J.: World Scientific, 2005.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)International Workshop on Symmetry and Perturbation Theory Cala Gonone, Italy, et al. Symmetry and Perturbation Theory: Proceedings of the International Conference SPT 2004, Cala Gonone, Sardinia, Italy, 30 May - 6 June 2004. World Scientific, 2005.