Gaya APA
Edzwald, J., K. (2011).
WATER QUALITY dan TREATMENT A handbook on Drinking Water (Sixth Edition).
New York:
Mc Graw Hill.
Gaya MLA
Edzwald, James, K..
"WATER QUALITY dan TREATMENT A handbook on Drinking Water".
Sixth Edition
New York:
Mc Graw Hill,
2011.
Buku Pelajaran.