Gaya APA
Pokharel, B, P., Karki, N, R. (2007).
Electrical engineering materials .
New Delhi:
Narosa Publishing House.
Gaya MLA
Pokharel, Bhadra, Prasad., Karki, Nava, Raj.
"Electrical engineering materials".
New Delhi:
Narosa Publishing House,
2007.
Text.