Gaya APA
Petersen, Dale. (1987).
NCHRP SHP 135. Pavement management practices .
:
TRB.
Gaya Chicago
Petersen, Dale.
NCHRP SHP 135. Pavement management practices.
:
TRB,
1987.
Chart.
Gaya MLA
Petersen, Dale.
NCHRP SHP 135. Pavement management practices.
:
TRB,
1987.
Chart.
Gaya Turabian
Petersen, Dale.
NCHRP SHP 135. Pavement management practices.
:
TRB,
1987.
Chart.