Training in Technology. (1999). Direct Current Technology. Germany: System Technik.
Chicago Stili AlıntıTraining in Technology. Direct Current Technology. Germany: System Technik, 1999.
MLA AlıntıTraining in Technology. Direct Current Technology. Germany: System Technik, 1999.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..