Electric Power Research Institute & Eckroad, S. W. (2007). EPRI underground transmission systems reference book (2006 ed.). Electric Power Research Institute.
Chicago Style (17th ed.) CitationElectric Power Research Institute and S. W. Eckroad. EPRI Underground Transmission Systems Reference Book. 2006 ed. Palo Alto, Calif: Electric Power Research Institute, 2007.
ציטוט MLAElectric Power Research Institute and S. W. Eckroad. EPRI Underground Transmission Systems Reference Book. 2006 ed. Electric Power Research Institute, 2007.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.