Cita APA

Hauer, E., & Hauer, E. (1997). Observational before-after studies in road safety: Estimating the effect of highway and traffic engineering measures on road safety (1. edition.). United Kingdom: Emerald.

Citación estilo Chicago

Hauer, Ezra, y Ezra Hauer. Observational Before-after Studies in Road Safety: Estimating the Effect of Highway and Traffic Engineering Measures On Road Safety. 1. edition. United Kingdom: Emerald, 1997.

Cita MLA

Hauer, Ezra, y Ezra Hauer. Observational Before-after Studies in Road Safety: Estimating the Effect of Highway and Traffic Engineering Measures On Road Safety. 1. edition. United Kingdom: Emerald, 1997.