Gaya APA
Brockenbrough, R, L., Jr, K, J, B. (2003).
HIGHWAY Engineering Handbook : Building and Rehabilitating the Infrastructure .
United States of America:
The McGraw-Hill Companies, Inc.
Gaya MLA
Brockenbrough, Roger, L.., Jr, Kennet, J., Boedecker,.
"HIGHWAY Engineering Handbook : Building and Rehabilitating the Infrastructure".
United States of America:
The McGraw-Hill Companies, Inc,
2003.
Electronic Resource.