Università degli studi di Trento. Centro interuniversitario per la ricerca matematica, ebrary, Inc, Symposium on "Combinatorial Structures and their Applications", & Barlotti, A. (1982). Combinatorial and geometric structures and their applications. North-Holland Pub. Co..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Università degli studi di Trento. Centro interuniversitario per la ricerca matematica, Inc ebrary, Symposium on "Combinatorial Structures and their Applications", و A. Barlotti. Combinatorial and Geometric Structures and Their Applications. Amsterdam: North-Holland Pub. Co., 1982.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Università degli studi di Trento. Centro interuniversitario per la ricerca matematica, et al. Combinatorial and Geometric Structures and Their Applications. North-Holland Pub. Co., 1982.