Gaya APA
Metcalf, . (2003).
Wastewater Engineering: Treatment And Reuse, Fourth Edition (FOURTH EDITION).
boston:
McGRAW-HILL, INC.
Gaya MLA
Metcalf, .
"Wastewater Engineering: Treatment And Reuse, Fourth Edition".
FOURTH EDITION
boston:
McGRAW-HILL, INC,
2003.
FAKULTAS TEKNIK.