O'Flaherty, C. A. (1974). Highways: Highways and Traffic (2nd ed.). Edward Arnold.
Tohutoru Kātū Chicago (17th ed.)O'Flaherty, C. A. Highways: Highways and Traffic. 2nd ed. London: Edward Arnold, 1974.
Tohutoro MLA (9th ed.)O'Flaherty, C. A. Highways: Highways and Traffic. 2nd ed. Edward Arnold, 1974.
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