Não informado. (1991). Journal of Clinical Pediatric Dentistry. Journal of Pedodontics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Clinical Pediatric Dentistry. Birmingham, Ala: Journal of Pedodontics, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Clinical Pediatric Dentistry. Journal of Pedodontics, 1991.
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