Gaya APA
Rutley, K.S.. (1972).
An investigation into bilingual (Welsh/English) traffic signs .
:
TRRL.
Gaya Chicago
Rutley, K.S..
An investigation into bilingual (Welsh/English) traffic signs.
:
TRRL,
1972.
Chart.
Gaya MLA
Rutley, K.S..
An investigation into bilingual (Welsh/English) traffic signs.
:
TRRL,
1972.
Chart.
Gaya Turabian
Rutley, K.S..
An investigation into bilingual (Welsh/English) traffic signs.
:
TRRL,
1972.
Chart.