International Workshop on Fuzzy Logic and Applications Trani, Italy, SpringerLink (Online service), Fanelli, A. M., Pedrycz, W., & Petrosino, A. (2011). Fuzzy logic and applications: 9th International Workshop, WILF 2011, Trani, Italy, August 29-31,2011. Proceedings. Springer.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Workshop on Fuzzy Logic and Applications Trani, Italy, SpringerLink (Online service), Anna Maria Fanelli, Witold Pedrycz, و Alfredo Petrosino. Fuzzy Logic and Applications: 9th International Workshop, WILF 2011, Trani, Italy, August 29-31,2011. Proceedings. Berlin, Heidelberg: Springer, 2011.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Workshop on Fuzzy Logic and Applications Trani, Italy, et al. Fuzzy Logic and Applications: 9th International Workshop, WILF 2011, Trani, Italy, August 29-31,2011. Proceedings. Springer, 2011.