APA Style
Hughes, A., Drury, B. (2013).
Electric motors and drives: fundamentals, types, and applications (4 th edition).
Amsterdam:
Elsevier dan Newnes.
MLA Style
Hughes, Austin., Drury, Bill.
"Electric motors and drives: fundamentals, types, and applications".
4 th edition
Amsterdam:
Elsevier dan Newnes,
2013.
Buku.