Patrick & Fardo. (2000). Instructor's manual electrical motor control systems: Electronic and digital controls : fundamentals and applications. Goodheart-Willcox.
Chicago-viite (17. p.)Patrick ja Fardo. Instructor's Manual Electrical Motor Control Systems: Electronic and Digital Controls : Fundamentals and Applications. Tinley Park,IL: Goodheart-Willcox, 2000.
MLA-viite (8. p.)Patrick ja Fardo. Instructor's Manual Electrical Motor Control Systems: Electronic and Digital Controls : Fundamentals and Applications. Goodheart-Willcox, 2000.
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