Gaya APA
Introduction to hydrology. (1977).
New York:
Harper and Row.
Gaya Chicago
Introduction to hydrology.
.
New York:
Harper and Row,
1977.
Text.
Gaya MLA
Introduction to hydrology.
.
New York:
Harper and Row,
1977.
Text.
Gaya Turabian
Introduction to hydrology.
New York:
Harper and Row,
1977.
Print.