European Orthodontic Society. (1948). Report of the annual congress.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEuropean Orthodontic Society. Report of the Annual Congress. The Hague, 1948.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEuropean Orthodontic Society. Report of the Annual Congress. 1948.
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