Bligh, R. P., Menges, W. L., & Haug, R. R. (2006). Crashworthy work-zone traffic control devices. Transportation Research Board.
Lua i Stíl Chicago (17ú heag.)Bligh, Roger P., Wanda L. Menges, agus Rebecca R. Haug. Crashworthy Work-zone Traffic Control Devices. Washington, D.C: Transportation Research Board, 2006.
Lua MLA (9ú heag.)Bligh, Roger P., et al. Crashworthy Work-zone Traffic Control Devices. Transportation Research Board, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.