Gaya APA
Urquhart, L, C.
(1959).
Civil Engineering Hanbook
(
Fourth)
.
Newyork:
New York : McGraw-Hill Book Company,.
Gaya MLA
Urquhart, Leonard, C.
"Civil Engineering Hanbook".
Fourth
Newyork:
New York : McGraw-Hill Book Company,,
1959.
Text.