Gaya APA
W.Day, R. (2010).
Foundation Engineering Hanbook : Design and contruction with the 2009 international building code (-).
of Amerika:
The Mc Graw Hill Companies.
Gaya MLA
W.Day, Robert.
"Foundation Engineering Hanbook : Design and contruction with the 2009 international building code".
-
of Amerika:
The Mc Graw Hill Companies,
2010.
Text.