Gaya APA
Steel, Ernest W.. (1960).
Water supply and sewerage / Ernest W. Steel (4th ed).
:
New York : McGraw-Hill Book Company, Inc..
Gaya Chicago
Steel, Ernest W..
Water supply and sewerage / Ernest W. Steel.
4th ed
:
New York : McGraw-Hill Book Company, Inc.,
1960.
Buku.
Gaya MLA
Steel, Ernest W..
Water supply and sewerage / Ernest W. Steel.
4th ed
:
New York : McGraw-Hill Book Company, Inc.,
1960.
Buku.
Gaya Turabian
Steel, Ernest W..
Water supply and sewerage / Ernest W. Steel.
4th ed
:
New York : McGraw-Hill Book Company, Inc.,
1960.
Buku.