Green, D. (1997). Higher electrical principles (3rd ed.). Longman.
Cita Chicago (17th ed.)Green, D.C. Higher Electrical Principles. 3rd ed. Essex, England: Longman, 1997.
Cita MLA (9th ed.)Green, D.C. Higher Electrical Principles. 3rd ed. Longman, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.