HOBBS, F. D. (1974). Traffic planning and engineering. Pergamon Press.
Citação do estilo Chicago (17ª ed.)HOBBS, F. D. Traffic Planning and Engineering. Oxfor: Pergamon Press, 1974.
Citação MLA (8ª ed.)HOBBS, F. D. Traffic Planning and Engineering. Pergamon Press, 1974.
警告：这些引文格式不一定是100％准确.