Gaya APA
Cox, J.J.. (1972).
Road rail protection - audible warning effectiveness .
:
ARRB.
Gaya Chicago
Cox, J.J..
Road rail protection - audible warning effectiveness.
:
ARRB,
1972.
Filmstrip.
Gaya MLA
Cox, J.J..
Road rail protection - audible warning effectiveness.
:
ARRB,
1972.
Filmstrip.
Gaya Turabian
Cox, J.J..
Road rail protection - audible warning effectiveness.
:
ARRB,
1972.
Filmstrip.