Gaya APA
Price, D, G., Freitas, M, H, D.
(2010).
Engineering Geology: Principles and Practice
(
-)
.
Berlin:
Springer.
Gaya MLA
Price, David, George., Freitas, M., H., De.
"Engineering Geology: Principles and Practice".
-
Berlin:
Springer,
2010.
Text.