Não informado. (1976). The Journal of the Western Society of Periodontology. Western Society of Periodontology.
Chicagoスタイル(17版)引用形式Não informado. The Journal of the Western Society of Periodontology. Los Angeles, Calif: Western Society of Periodontology, 1976.
MLA(8版)引用形式Não informado. The Journal of the Western Society of Periodontology. Western Society of Periodontology, 1976.
警告: この引用は必ずしも正確ではありません.