Não informado. (2001). Annals of Periodontology. American Academy of Periodontology.
Chicagoスタイル(17版)引用形式Não informado. Annals of Periodontology. Chicago, Ill: American Academy of Periodontology, 2001.
MLA(8版)引用形式Não informado. Annals of Periodontology. American Academy of Periodontology, 2001.
警告: この引用は必ずしも正確ではありません.