Gaya APA
Briggs, Dwight W.. (1987).
NCHRP SHP 133. Integrated highway information systems .
:
TRB.
Gaya Chicago
Briggs, Dwight W..
NCHRP SHP 133. Integrated highway information systems.
:
TRB,
1987.
Chart.
Gaya MLA
Briggs, Dwight W..
NCHRP SHP 133. Integrated highway information systems.
:
TRB,
1987.
Chart.
Gaya Turabian
Briggs, Dwight W..
NCHRP SHP 133. Integrated highway information systems.
:
TRB,
1987.
Chart.