International Conference on Road Traffic Control London, England, Institution of Electrical Engineers. Computing & Control Division, & Association pour le dȩveloppement des techniques de transport d'environnement et de circulation. (1990). Third International Conference on Road Traffic Control: 1-3 May 1990. Institution of Electrical Engineers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Conference on Road Traffic Control London, England, Institution of Electrical Engineers. Computing & Control Division, و Association pour le dȩveloppement des techniques de transport d'environnement et de circulation. Third International Conference on Road Traffic Control: 1-3 May 1990. London: Institution of Electrical Engineers, 1990.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)International Conference on Road Traffic Control London, England, et al. Third International Conference on Road Traffic Control: 1-3 May 1990. Institution of Electrical Engineers, 1990.