Gaya APA
Peterson, Dale E.. (1971).
A System for Planning Roadway Improvements .
:
s.n..
Gaya Chicago
Peterson, Dale E..
A System for Planning Roadway Improvements.
:
s.n.,
1971.
Text.
Gaya MLA
Peterson, Dale E..
A System for Planning Roadway Improvements.
:
s.n.,
1971.
Text.
Gaya Turabian
Peterson, Dale E..
A System for Planning Roadway Improvements.
:
s.n.,
1971.
Print.