SpringerLink (Online service) & HBuhler, P. (2012). EXA 2011: Proceedings of the international conference on exotic atoms and related topics (EXA 2011) held in Vienna, Austria, september 5-9, 2011. Springer Netherlands.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)SpringerLink (Online service) و Paul HBuhler. EXA 2011: Proceedings of the International Conference on Exotic Atoms and Related Topics (EXA 2011) Held in Vienna, Austria, September 5-9, 2011. Dordrecht: Springer Netherlands, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)SpringerLink (Online service) و Paul HBuhler. EXA 2011: Proceedings of the International Conference on Exotic Atoms and Related Topics (EXA 2011) Held in Vienna, Austria, September 5-9, 2011. Springer Netherlands, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.