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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAutomotive Safety Foundation. A Resource Curriculum in Driver and Traffic Safety Education. [Washington, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAutomotive Safety Foundation. A Resource Curriculum in Driver and Traffic Safety Education. 1970.
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