Gaya APA
Abbett, R, W.
(1956).
(TEKNIK SIPIL) American Civil Engineering Practice
(
Edisi 1)
.
New York:
London.
Gaya MLA
Abbett, Robert, W..
"(TEKNIK SIPIL) American Civil Engineering Practice".
Edisi 1
New York:
London,
1956.
TEXT.