Gaya APA
Steel, E., McGhee, T, J.
(1979).
Water Supply And Sewerage
(
5)
.
New York:
McGraw - Hill.
Gaya MLA
Steel, E.W.., McGhee, Terence, J..
"Water Supply And Sewerage".
5
New York:
McGraw - Hill,
1979.
Text.