Gaya APA
}, T., G., {., E., A. (2014).
Wastewater Engineering : Treatment and Resource Recovery Volume 2 (Fifth Edition).
New York:
McGraw Hill.
Gaya MLA
}, T., G., {., E., A..
Wastewater Engineering : Treatment and Resource Recovery Volume 2.
Fifth Edition
New York:
McGraw Hill,
2014.
Text.