KRAUSE, P. C. (1989). Electromechanical Motion Devices Paul C. Krause; Oleg Wasynczuk. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)KRAUSE, Paul C. Electromechanical Motion Devices Paul C. Krause; Oleg Wasynczuk. McGraw-Hill, 1989.
Lua MLA (8ú heag.)KRAUSE, Paul C. Electromechanical Motion Devices Paul C. Krause; Oleg Wasynczuk. McGraw-Hill, 1989.
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