Gaya APA
Schroeder, E, D. (1977).
Water and wastewater treatment (Inter. student ed.).
Tokyo:
Mc.Graw-Hill Kogakusha, Ltd..
Gaya MLA
Schroeder, Edward, D..
"Water and wastewater treatment".
Inter. student ed.
Tokyo:
Mc.Graw-Hill Kogakusha, Ltd.,
1977.
Text.