Gaya APA
Friedman, B, E.
(2006).
NCHRP Syn 356 Pavement Markings - Design and Typical Layout Details
.
Washington:
TRB.
Gaya MLA
Friedman, Bruce, E..
"NCHRP Syn 356 Pavement Markings - Design and Typical Layout Details".
Washington:
TRB,
2006.
Text.