Effectiveness of different "Appeals" in road safety propaganda
| Egile nagusia: | |
|---|---|
| Erakunde egilea: | |
| Formatua: | Liburua |
| Hizkuntza: | ingelesa |
| Argitaratua: |
Crowthorne, Eng.
Transport and Road Research Laboratory
1975.
|
| Saila: | Transport and Road Research Laboratory
laboratory report 669. |