APA引文

Training in Technology. (1999). Direct Current Technology. Germany: System Technik.

Trích dẫn kiểu Chicago

Training in Technology. Direct Current Technology. Germany: System Technik, 1999.

MLA引文

Training in Technology. Direct Current Technology. Germany: System Technik, 1999.

警告：这些引文格式不一定是100％准确.