Gaya APA
Bell, F.G.. (1980).
Engineering geology and geotechnics .
:
Newness-Butterworths.
Gaya Chicago
Bell, F.G..
Engineering geology and geotechnics.
:
Newness-Butterworths,
1980.
Text.
Gaya MLA
Bell, F.G..
Engineering geology and geotechnics.
:
Newness-Butterworths,
1980.
Text.
Gaya Turabian
Bell, F.G..
Engineering geology and geotechnics.
:
Newness-Butterworths,
1980.
Print.