Christian, J. (1981). Management, Machines and Methods in Civil Engineering. John Wiley.
Chicago Stili AlıntıChristian, John. Management, Machines and Methods in Civil Engineering. New York: John Wiley, 1981.
MLA AlıntıChristian, John. Management, Machines and Methods in Civil Engineering. John Wiley, 1981.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..