APA Style
Engineering Geology second edition. ().
NULL:
F.G.Bell.
Chicago Style
Engineering Geology second edition.
NULL.
NULL:
F.G.Bell,
.
Text.
MLA Style
Engineering Geology second edition.
NULL.
NULL:
F.G.Bell,
.
Text.
Turabian Style
Engineering Geology second edition.
NULL:
F.G.Bell,
.
Print.