Não informado. (1977). Journal of the New Zealand Society of Periodontology. New Zealand Society of Periodontology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the New Zealand Society of Periodontology. Aulendorf, Alemanha: New Zealand Society of Periodontology, 1977.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the New Zealand Society of Periodontology. New Zealand Society of Periodontology, 1977.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.