Gaya APA
Water Environment Federation, Association of Boards of Certification. (2018).
Wastewater treatment fundamentals I : liquid treatment .
Virginia:
Water Environment Federation.
Gaya Chicago
Water Environment Federation, Association of Boards of Certification.
Wastewater treatment fundamentals I : liquid treatment.
Virginia:
Water Environment Federation,
2018.
Buku Ketenaganukliran.
Gaya MLA
Water Environment Federation, Association of Boards of Certification.
Wastewater treatment fundamentals I : liquid treatment.
Virginia:
Water Environment Federation,
2018.
Buku Ketenaganukliran.
Gaya Turabian
Water Environment Federation, Association of Boards of Certification.
Wastewater treatment fundamentals I : liquid treatment.
Virginia:
Water Environment Federation,
2018.
Buku Ketenaganukliran.