Παραπομπή APA

B.R.Gupta & Vandana Singhal. Fundamentals of electric machines. New Age.

Παραπομπή Chicago Style

B.R.Gupta και Vandana Singhal. Fundamentals of Electric Machines. New Delhi: New Age.

Παραπομπή MLA

B.R.Gupta και Vandana Singhal. Fundamentals of Electric Machines. New Age.