Traffic Authority of NSW. (1981). Road traffic crashes in New South Wales: Statistical statement, year ended 31 December ... Traffic Authority of NSW.
Chicago-referens (17:e uppl.)Traffic Authority of NSW. Road Traffic Crashes in New South Wales: Statistical Statement, Year Ended 31 December ... Surry Hills, NSW: Traffic Authority of NSW, 1981.
MLA-referens (8:e uppl.)Traffic Authority of NSW. Road Traffic Crashes in New South Wales: Statistical Statement, Year Ended 31 December ... Traffic Authority of NSW, 1981.
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