APA-referens (7:e uppl.)

Gupta, J. (2021). Theory and Performance of Electrical Machines (15th.). Katson Books.

Chicago-referens (17:e uppl.)

Gupta, J.B. Theory and Performance of Electrical Machines. 15th. New Delhi: Katson Books, 2021.

MLA-referens (9:e uppl.)

Gupta, J.B. Theory and Performance of Electrical Machines. 15th. Katson Books, 2021.