Gaya APA
Laker, I.B.. (1969).
Impact test on a modified Christiani and Nielsen crash barrier .
:
TRRL.
Gaya Chicago
Laker, I.B..
Impact test on a modified Christiani and Nielsen crash barrier.
:
TRRL,
1969.
Chart.
Gaya MLA
Laker, I.B..
Impact test on a modified Christiani and Nielsen crash barrier.
:
TRRL,
1969.
Chart.
Gaya Turabian
Laker, I.B..
Impact test on a modified Christiani and Nielsen crash barrier.
:
TRRL,
1969.
Chart.