Não informado. (2001). Bibliography. National Research Council, Transportation Research Board.
Citace podle Chicago (17th ed.)Não informado. Bibliography. Washington: National Research Council, Transportation Research Board, 2001.
Citace podle MLA (8th ed.)Não informado. Bibliography. National Research Council, Transportation Research Board, 2001.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..