(2000). Computability theory and its applications: Current trends and open problems : proceedings of a 1999 AMS-IMS-SIAM joint summer research conference, computability theory and applications, June 13-17, 1999, University of Colorado, Boulder / Peter A. Cholak [and others], editors.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Computability Theory and Its Applications: Current Trends and Open Problems : Proceedings of a 1999 AMS-IMS-SIAM Joint Summer Research Conference, Computability Theory and Applications, June 13-17, 1999, University of Colorado, Boulder / Peter A. Cholak [and Others], Editors. 2000.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Computability Theory and Its Applications: Current Trends and Open Problems : Proceedings of a 1999 AMS-IMS-SIAM Joint Summer Research Conference, Computability Theory and Applications, June 13-17, 1999, University of Colorado, Boulder / Peter A. Cholak [and Others], Editors. 2000.