Não informado. (1968). Bulletin of the Michigan Dental Hygienists Association. Michigan Dental Hygienists Association.
Cita Chicago Style (17a ed.)Não informado. Bulletin of the Michigan Dental Hygienists Association. Lansing, Mich: Michigan Dental Hygienists Association, 1968.
Cita MLA (8a ed.)Não informado. Bulletin of the Michigan Dental Hygienists Association. Michigan Dental Hygienists Association, 1968.
Precaución: Estas citas no son 100% exactas.