Gaya APA
Pfannkuch, H.
(1969).
Elsevier's Dictionary of Hydrogeology
.
Netherlands:
ELSEVIER PUBLISHING COMPANY.
Gaya MLA
Pfannkuch, Hans-Olaf.
"Elsevier's Dictionary of Hydrogeology".
Netherlands:
ELSEVIER PUBLISHING COMPANY,
1969.
Text.