Sigua, R. G. (1984). A study on control of right turn traffic at signalized intersection.
Lua i Stíl Chicago (17ú heag.)Sigua, Ricardo G. A Study on Control of Right Turn Traffic at Signalized Intersection. 1984.
Lua MLA (9ú heag.)Sigua, Ricardo G. A Study on Control of Right Turn Traffic at Signalized Intersection. 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.