Gaya APA
Mara, Duncan. (2003).
Domestic wastewater treatment in developing countries .
united kingdom:
Earthscan.
Gaya Chicago
Mara, Duncan.
Domestic wastewater treatment in developing countries.
united kingdom:
Earthscan,
2003.
Text.
Gaya MLA
Mara, Duncan.
Domestic wastewater treatment in developing countries.
united kingdom:
Earthscan,
2003.
Text.
Gaya Turabian
Mara, Duncan.
Domestic wastewater treatment in developing countries.
united kingdom:
Earthscan,
2003.
Print.