Gaya APA
An introduction to geotechnical Engineering. (1981).
:
.
Gaya Chicago
An introduction to geotechnical Engineering.
.
:
,
1981.
Text.
Gaya MLA
An introduction to geotechnical Engineering.
.
:
,
1981.
Text.
Gaya Turabian
An introduction to geotechnical Engineering.
:
,
1981.
Print.