Cita APA

Sharp, D. R. 1., & Sharp, D. R. 1. (1970). Concrete in highway engineering (1. edition --.). Oxford: Pergamon.

Citación estilo Chicago

Sharp, Douglas Raymond 1918-, y Douglas Raymond 1918- Sharp. Concrete in Highway Engineering. 1. edition --. Oxford: Pergamon, 1970.

Cita MLA

Sharp, Douglas Raymond 1918-, y Douglas Raymond 1918- Sharp. Concrete in Highway Engineering. 1. edition --. Oxford: Pergamon, 1970.