Gaya APA
Sharma, R.
(1979).
A text book of hydrology dan water resources
(
1st ed.)
.
Delhi:
Dhanpat Rai & Sons.
Gaya MLA
Sharma, R.K..
"A text book of hydrology dan water resources".
1st ed.
Delhi:
Dhanpat Rai & Sons,
1979.
Text.