Gaya APA
Chen, W., Duan, L. (2014).
Bridge Engineering Handbook Second Edition : Superstructure Design .
Boca Raton:
.
Gaya MLA
Chen, Wai-Fah., Duan, Lian.
"Bridge Engineering Handbook Second Edition : Superstructure Design".
Boca Raton:
,
2014.
e-book.