Kuhlmann, J. H. (1950). Design of electrical apparatus (3a. ed.). John Wiley.
Cita Chicago (17th ed.)Kuhlmann, John H. Design of Electrical Apparatus. 3a. ed. Nueva York: John Wiley, 1950.
Cita MLA (9th ed.)Kuhlmann, John H. Design of Electrical Apparatus. 3a. ed. John Wiley, 1950.
Atenció: Aquestes cites poden no estar 100% correctes.