BOCKRATH, J. T. (1995). Contracts And The Legal Environment For Engineers And Architects Joseph T. Bockrath. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBOCKRATH, Joseph T. Contracts And The Legal Environment For Engineers And Architects Joseph T. Bockrath. McGraw-Hill, 1995.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBOCKRATH, Joseph T. Contracts And The Legal Environment For Engineers And Architects Joseph T. Bockrath. McGraw-Hill, 1995.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.