Não informado. (1959). Journal of the Japanese Organization for Research of Periodontology. Japanese Organization for Research of Periodontology.
Citação do estilo Chicago (17ª ed.)Não informado. Journal of the Japanese Organization for Research of Periodontology. Tokyo: Japanese Organization for Research of Periodontology, 1959.
Citação MLA (8ª ed.)Não informado. Journal of the Japanese Organization for Research of Periodontology. Japanese Organization for Research of Periodontology, 1959.
警告：這些引文格式不一定是100％准確.