Não informado. (1981). International Journal of Periodontics and Restorative Dentistry. Quintessence Publishing.
Chicagoスタイル(17版)引用形式Não informado. International Journal of Periodontics and Restorative Dentistry. Chicago, Ill: Quintessence Publishing, 1981.
MLA(8版)引用形式Não informado. International Journal of Periodontics and Restorative Dentistry. Quintessence Publishing, 1981.
警告: この引用は必ずしも正確ではありません.