Gaya APA
Head, B. L.. (1966).
Use of the Roughometer for Road Roughness Studies .
:
s.n..
Gaya Chicago
Head, B. L..
Use of the Roughometer for Road Roughness Studies.
:
s.n.,
1966.
Text.
Gaya MLA
Head, B. L..
Use of the Roughometer for Road Roughness Studies.
:
s.n.,
1966.
Text.
Gaya Turabian
Head, B. L..
Use of the Roughometer for Road Roughness Studies.
:
s.n.,
1966.
Print.