Não informado. (1959). Journal of the Japanese Organization for Research of Periodontology. Japanese Organization for Research of Periodontology.
Chicago-Zitierstil (17. Ausg.)Não informado. Journal of the Japanese Organization for Research of Periodontology. Tokyo: Japanese Organization for Research of Periodontology, 1959.
MLA-Zitierstil (8. Ausg.)Não informado. Journal of the Japanese Organization for Research of Periodontology. Japanese Organization for Research of Periodontology, 1959.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.