APA Style
Rahn, P, H. (1996).
ENGINEERING GEOLOGY AN ENVIRONMENTAL APPROACH Second Edition (cet 2).
New Jersey:
Prentice-Hall inc..
MLA Style
Rahn, Perry, H..
"ENGINEERING GEOLOGY AN ENVIRONMENTAL APPROACH Second Edition".
cet 2
New Jersey:
Prentice-Hall inc.,
1996.
Text.