Cresswell, R. (1977). Passenger transport and the environment: The integration of public passenger transport with the urban environment. L. Hill.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cresswell, Roy. Passenger Transport and the Environment: The Integration of Public Passenger Transport with the Urban Environment. London: L. Hill, 1977.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Cresswell, Roy. Passenger Transport and the Environment: The Integration of Public Passenger Transport with the Urban Environment. L. Hill, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.