Cita APA (7th ed.)
Hughes, A., & Drury, B. (2013). Electric motors and drives: Fundamentals, types and applications (4th ed.). Elsevier.
Cita Chicago (17th ed.)
Hughes, Austin, i Bill Drury. Electric Motors and Drives: Fundamentals, Types and Applications. 4th ed. Amsterdam: Elsevier, 2013.
Cita MLA (9th ed.)
Hughes, Austin, i Bill Drury. Electric Motors and Drives: Fundamentals, Types and Applications. 4th ed. Elsevier, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.