Gaya APA
The world's water 1998-1999 : the biennial report on freshwater resources. (1998).
New York:
[s.n.].
Gaya Chicago
The world's water 1998-1999 : the biennial report on freshwater resources.
Cet. 3.
New York:
[s.n.],
1998.
Text.
Gaya MLA
The world's water 1998-1999 : the biennial report on freshwater resources.
Cet. 3.
New York:
[s.n.],
1998.
Text.
Gaya Turabian
The world's water 1998-1999 : the biennial report on freshwater resources.
New York:
[s.n.],
1998.
Print.