Não informado. (1899). Dental century of the northwest. [s.n.].
Style de citation Chicago (17e éd.)Não informado. Dental Century of the Northwest. Madison, Wis: [s.n.], 1899.
Style de citation MLA (8e éd.)Não informado. Dental Century of the Northwest. [s.n.], 1899.
Attention : ces citations peuvent ne pas être correctes à 100%.