Herman, S. L. (2007). Direct current fundamentals. Clifton Park, NY: Thomson Delmar Learning.
Trích dẫn kiểu ChicagoHerman, Stephen L. Direct Current Fundamentals. Clifton Park, NY: Thomson Delmar Learning, 2007.
ציטוט MLAHerman, Stephen L. Direct Current Fundamentals. Clifton Park, NY: Thomson Delmar Learning, 2007.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.