توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

International Conference on Control '91 Heriot-Watt University, Institution of Electrical Engineers. Computing & Control Division, & British Computer Society. (1991). International Conference on Control '91, 25-28 March 1991. The Institution.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

International Conference on Control '91 Heriot-Watt University, Institution of Electrical Engineers. Computing & Control Division, و British Computer Society. International Conference on Control '91, 25-28 March 1991. [London: The Institution, 1991.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

International Conference on Control '91 Heriot-Watt University, et al. International Conference on Control '91, 25-28 March 1991. The Institution, 1991.