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