APA Style
D.Kerri, K. (2004).
OPERATION OF WASTEWATER TREATMENT PLANTS/A FIELD STUDY TRAINING PROGRAM (6).
California:
OFFICE OF WATER PROGRAMS.
MLA Style
D.Kerri, Kenneth.
"OPERATION OF WASTEWATER TREATMENT PLANTS/A FIELD STUDY TRAINING PROGRAM".
6
California:
OFFICE OF WATER PROGRAMS,
2004.
BOOK.