APA Style
Helweg, Otto J. (1985).
WATER RESOURCES, Planning, and Management (-).
New York:
John Wiley & Sons, Inc.
Chicago Style
Helweg, Otto J.
WATER RESOURCES, Planning, and Management.
-
New York:
John Wiley & Sons, Inc,
1985.
Text.
MLA Style
Helweg, Otto J.
WATER RESOURCES, Planning, and Management.
-
New York:
John Wiley & Sons, Inc,
1985.
Text.
Turabian Style
Helweg, Otto J.
WATER RESOURCES, Planning, and Management.
-
New York:
John Wiley & Sons, Inc,
1985.
Print.