Ward , r. P. . .. (1969). Introduction to electrical engineering (3rd ed.). Prentice Hall.
Chicago Style (17th ed.) CitationWard , robert P. Introduction to Electrical Engineering. 3rd ed. New Delhi: Prentice Hall, 1969.
ציטוט MLAWard , robert P. Introduction to Electrical Engineering. 3rd ed. Prentice Hall, 1969.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.