Não informado. (1974). American Highway and Transportation Monthly. American Association of State Highway and Transportation Officials.
Cytowanie według stylu Chicago (wyd. 17)Não informado. American Highway and Transportation Monthly. Washington: American Association of State Highway and Transportation Officials, 1974.
Cytowanie według stylu MLA (wyd. 8)Não informado. American Highway and Transportation Monthly. American Association of State Highway and Transportation Officials, 1974.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..