Gaya APA
Ball, James T.. (2001).
Transportation engineering .
Toronto:
McGraw-Hill.
Gaya Chicago
Ball, James T..
Transportation engineering.
Toronto:
McGraw-Hill,
2001.
Text.
Gaya MLA
Ball, James T..
Transportation engineering.
Toronto:
McGraw-Hill,
2001.
Text.
Gaya Turabian
Ball, James T..
Transportation engineering.
Toronto:
McGraw-Hill,
2001.
Print.