Gaya APA
Standard Methods for the examination of water and wastewater. (1955).
:
.
Gaya Chicago
Standard Methods for the examination of water and wastewater.
.
:
,
1955.
Text.
Gaya MLA
Standard Methods for the examination of water and wastewater.
.
:
,
1955.
Text.
Gaya Turabian
Standard Methods for the examination of water and wastewater.
:
,
1955.
Print.