Papacostas, C. (1993). Transportation engineering and planning (2nd.ed.). Prentice Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPapacostas, C.S. Transportation Engineering and Planning. 2nd.ed. Englewood Cliffs: Prentice Hall, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPapacostas, C.S. Transportation Engineering and Planning. 2nd.ed. Prentice Hall, 1993.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.