Gaya APA
Holroyd, Joyce. (1973).
Strategies for area traffic control systems: present and future .
:
TRRL.
Gaya Chicago
Holroyd, Joyce.
Strategies for area traffic control systems: present and future.
:
TRRL,
1973.
Chart.
Gaya MLA
Holroyd, Joyce.
Strategies for area traffic control systems: present and future.
:
TRRL,
1973.
Chart.
Gaya Turabian
Holroyd, Joyce.
Strategies for area traffic control systems: present and future.
:
TRRL,
1973.
Chart.