Gaya APA
Metcalf, ., Aecom, E, /. (2014).
Wastewater Engineering: Treatment and Resource Recovery Volume 2 fifth edition (Fifth Edition).
New York:
McGraw-Hill.
Gaya MLA
Metcalf, ., Aecom, Eddy, /.
"Wastewater Engineering: Treatment and Resource Recovery Volume 2 fifth edition".
Fifth Edition
New York:
McGraw-Hill,
2014.
Text.