Gaya APA
Loucks, D, P. et al (1981).
Water Resource Systems Planning and Analysis .
Englewood Cliffs, NJ:
Prentice-Hall, Inc.
Gaya MLA
Loucks, Daniel, P. et al.
"Water Resource Systems Planning and Analysis".
Englewood Cliffs, NJ:
Prentice-Hall, Inc,
1981.
Text.