Não informado. (1969). Journal of Periodontology-Periodontics. American Academy of Periodontology.
Style de citation Chicago (17e éd.)Não informado. Journal of Periodontology-Periodontics. Chicago, Ill: American Academy of Periodontology, 1969.
Style de citation MLA (8e éd.)Não informado. Journal of Periodontology-Periodontics. American Academy of Periodontology, 1969.
Attention : ces citations peuvent ne pas être correctes à 100%.