Não informado. (1939). Dental Laboratory News. Dental Laboratory Association of the State of New York.
Chicago-viite (17. p.)Não informado. Dental Laboratory News. New York: Dental Laboratory Association of the State of New York, 1939.
MLA-viite (8. p.)Não informado. Dental Laboratory News. Dental Laboratory Association of the State of New York, 1939.
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