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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Vocational Association. Vocational Education Journal. [Arlington, Va.]: American Vocational Association, 1985.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAmerican Vocational Association. Vocational Education Journal. American Vocational Association, 1985.
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