APA Style
Gautam, N, P. (2015.).
Principles of hydropower engineering (1st ed.).
Kathmandu:
Subhechchha Gautam and Sadichchha Gautam.
MLA Style
Gautam, Narayan, Prasad.
"Principles of hydropower engineering".
1st ed.
Kathmandu:
Subhechchha Gautam and Sadichchha Gautam,
2015..
print.