APA aipamena

(1985). Providing visibility and visual guidance to the road user. Transportation Research Board, National Research Council.

Chicago Style aipamena

Providing Visibility and Visual Guidance to the Road User. Washington, D.C: Transportation Research Board, National Research Council, 1985.

MLA aipamena

Providing Visibility and Visual Guidance to the Road User. Transportation Research Board, National Research Council, 1985.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.