Cita APA (7th ed.)

Davison, P. A., & Irving, A. (1980). Survey of visual acuity of drivers. Transport and Road Research Laboratory.

Cita Chicago (17th ed.)

Davison, P. A., i A. Irving. Survey of Visual Acuity of Drivers. Crowthorne, Berk: Transport and Road Research Laboratory, 1980.

Cita MLA (9th ed.)

Davison, P. A., i A. Irving. Survey of Visual Acuity of Drivers. Transport and Road Research Laboratory, 1980.