International Conference on Personal Rapid Transit University of Minnesota, Anderson, J. E., & Romig, S. H. (1974). Personal rapid transit II: Progress, problems, and potential in a promising new form of public transportation reported at the 1973 International Conference on Personal Rapid Transit. University of Minnesota.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Conference on Personal Rapid Transit University of Minnesota, John Edward Anderson, و Sherry H. Romig. Personal Rapid Transit II: Progress, Problems, and Potential in a Promising New Form of Public Transportation Reported at the 1973 International Conference on Personal Rapid Transit. Minneapolis: University of Minnesota, 1974.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)International Conference on Personal Rapid Transit University of Minnesota, et al. Personal Rapid Transit II: Progress, Problems, and Potential in a Promising New Form of Public Transportation Reported at the 1973 International Conference on Personal Rapid Transit. University of Minnesota, 1974.