Gaya APA
Civil Engineering (Objective Type). (2001).
USA:
S. Chand & Company.
Gaya Chicago
Civil Engineering (Objective Type).
.
USA:
S. Chand & Company,
2001.
Text.
Gaya MLA
Civil Engineering (Objective Type).
.
USA:
S. Chand & Company,
2001.
Text.
Gaya Turabian
Civil Engineering (Objective Type).
USA:
S. Chand & Company,
2001.
Print.