Lua APA (7ú heag.)

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.

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