Gaya APA
Small and decentralized wastewater management systems. (1998).
Boston:
Mc Graw Hill.
Gaya Chicago
Small and decentralized wastewater management systems.
~.
Boston:
Mc Graw Hill,
1998.
Buku.
Gaya MLA
Small and decentralized wastewater management systems.
~.
Boston:
Mc Graw Hill,
1998.
Buku.
Gaya Turabian
Small and decentralized wastewater management systems.
Boston:
Mc Graw Hill,
1998.
Buku.