Não informado. (1976). The Journal of the Western Society of Periodontology. Western Society of Periodontology.
Chicago-viite (17. p.)Não informado. The Journal of the Western Society of Periodontology. Los Angeles, Calif: Western Society of Periodontology, 1976.
MLA-viite (8. p.)Não informado. The Journal of the Western Society of Periodontology. Western Society of Periodontology, 1976.
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