Cita APA (7a ed.)
Singer Sewing Machine Company. Education Department. Detalles de originalidad. Limusa.
Cita estilo Chicago (17a ed.)
Singer Sewing Machine Company. Education Department. Detalles De Originalidad. México: Limusa.
Cita MLA (9a ed.)
Singer Sewing Machine Company. Education Department. Detalles De Originalidad. Limusa.
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