Gaya APA
Water supply and pollution control. (1971).
Thailand:
.
Gaya Chicago
Water supply and pollution control.
ed.1.
Thailand:
,
1971.
Text.
Gaya MLA
Water supply and pollution control.
ed.1.
Thailand:
,
1971.
Text.
Gaya Turabian
Water supply and pollution control.
Thailand:
,
1971.
Print.