Gaya APA
P.S.NIGAM, .
(1979).
Hand Book Of Hydro Electric Engineering
(
1)
.
India:
N.C. Jain at the Roorkee Press, Roorke.
Gaya MLA
P.S.NIGAM, .
"Hand Book Of Hydro Electric Engineering".
1
India:
N.C. Jain at the Roorkee Press, Roorke,
1979.
Text.