Gaya APA
Groundwater Economics. (2010).
United States:
CRC Press.
Gaya Chicago
Groundwater Economics.
.
United States:
CRC Press,
2010.
Text.
Gaya MLA
Groundwater Economics.
.
United States:
CRC Press,
2010.
Text.
Gaya Turabian
Groundwater Economics.
United States:
CRC Press,
2010.
Print.