Gaya APA
Peterson, Dale E.. (1971).
Washington Pavement Rating System : Procedures and Application .
:
s.n..
Gaya Chicago
Peterson, Dale E..
Washington Pavement Rating System : Procedures and Application.
:
s.n.,
1971.
Text.
Gaya MLA
Peterson, Dale E..
Washington Pavement Rating System : Procedures and Application.
:
s.n.,
1971.
Text.
Gaya Turabian
Peterson, Dale E..
Washington Pavement Rating System : Procedures and Application.
:
s.n.,
1971.
Print.