Não informado. (1968). Bulletin of the Michigan Dental Hygienists Association. Michigan Dental Hygienists Association.
Citação do estilo Chicago (17ª ed.)Não informado. Bulletin of the Michigan Dental Hygienists Association. Lansing, Mich: Michigan Dental Hygienists Association, 1968.
Citação MLA (8ª ed.)Não informado. Bulletin of the Michigan Dental Hygienists Association. Michigan Dental Hygienists Association, 1968.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.