Clayton, A. E. (1947). The performance and design of direct current machines (2a ed.). Pitman.
Cita Chicago Style (17a ed.)Clayton, Albert E. The Performance and Design of Direct Current Machines. 2a ed. London: Pitman, 1947.
Cita MLA (8a ed.)Clayton, Albert E. The Performance and Design of Direct Current Machines. 2a ed. Pitman, 1947.
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