Multisystems Inc, United States. Urban Mass Transportation Administration, & Abkowitz, M. (1978). Transit service reliability. Dept. of Transportation, Office of Planning, Management and Demonstrations Available through the National Technical Information Service.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Multisystems Inc, United States. Urban Mass Transportation Administration, و Mark Abkowitz. Transit Service Reliability. Washington, Springfield, Va: Dept. of Transportation, Office of Planning, Management and Demonstrations Available through the National Technical Information Service, 1978.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Multisystems Inc, et al. Transit Service Reliability. Dept. of Transportation, Office of Planning, Management and Demonstrations Available through the National Technical Information Service, 1978.