Cita APA (7th ed.)
Clayton, A. E., & Hancock, N. N. The Performance and design of direct current machines (3rd ed.). CBS Pub.
Cita Chicago (17th ed.)
Clayton, Albert E., i N. N. Hancock. The Performance and Design of Direct Current Machines. 3rd ed. New Delhi: CBS Pub.
Cita MLA (9th ed.)
Clayton, Albert E., i N. N. Hancock. The Performance and Design of Direct Current Machines. 3rd ed. CBS Pub.
Atenció: Aquestes cites poden no estar 100% correctes.