Gaya APA
Barker, Richard M. (2013).
Highway Bridges (3th ed).
New York:
John Wiley.
Gaya Chicago
Barker, Richard M.
Highway Bridges.
3th ed
New York:
John Wiley,
2013.
Text.
Gaya MLA
Barker, Richard M.
Highway Bridges.
3th ed
New York:
John Wiley,
2013.
Text.
Gaya Turabian
Barker, Richard M.
Highway Bridges.
3th ed
New York:
John Wiley,
2013.
Print.