Cunard, R. A. (1990). Maintenance management of street and highway signs. Transportation Research Board, National Research Council.
Citace podle Chicago (17th ed.)Cunard, Richard A. Maintenance Management of Street and Highway Signs. Washington, D.C: Transportation Research Board, National Research Council, 1990.
Citace podle MLA (9th ed.)Cunard, Richard A. Maintenance Management of Street and Highway Signs. Transportation Research Board, National Research Council, 1990.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..