Não informado. (1959). Journal of the Japanese Organization for Research of Periodontology. Japanese Organization for Research of Periodontology.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of the Japanese Organization for Research of Periodontology. Tokyo: Japanese Organization for Research of Periodontology, 1959.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of the Japanese Organization for Research of Periodontology. Japanese Organization for Research of Periodontology, 1959.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.