Gaya APA
Pynn, J.. (1983).
An improved data collection method for the chart highway maintenance system .
:
TRRL.
Gaya Chicago
Pynn, J..
An improved data collection method for the chart highway maintenance system.
:
TRRL,
1983.
Chart.
Gaya MLA
Pynn, J..
An improved data collection method for the chart highway maintenance system.
:
TRRL,
1983.
Chart.
Gaya Turabian
Pynn, J..
An improved data collection method for the chart highway maintenance system.
:
TRRL,
1983.
Chart.