Cita APA (7th ed.)
Hughes,Austin, & Bill Drury. (2013). Electric motors and drives: Fundamentals,types,and applications austin hughes and bill drury (4th ed.). Elsevier Ltd.
Cita Chicago (17th ed.)
Hughes,Austin, i Bill Drury. Electric Motors and Drives: Fundamentals,types,and Applications Austin Hughes and Bill Drury. 4th ed. New Delhi: Elsevier Ltd, 2013.
Cita MLA (9th ed.)
Hughes,Austin, i Bill Drury. Electric Motors and Drives: Fundamentals,types,and Applications Austin Hughes and Bill Drury. 4th ed. Elsevier Ltd, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.