APA
Brockenbrough R. L., . (2009). Highway engineering handbook. New York: McGraw-Hill.
Chicago
Brockenbrough Roger L, . 2009. Highway engineering handbook. New York: McGraw-Hill.
Harvard
Brockenbrough R. L., . (2009). Highway engineering handbook. New York: McGraw-Hill.
MLA
Brockenbrough Roger L, . Highway engineering handbook. New York: McGraw-Hill. 2009.