Gaya APA
Dunn, , J. (1969).
The distribution of traffic in Great Britain through the 24 hours of the day in 1968 .
:
TRRL.
Gaya MLA
Dunn, , J.B..
"The distribution of traffic in Great Britain through the 24 hours of the day in 1968".
:
TRRL,
1969.
Chart.