Cita APA (7th ed.)
Singer Sewing Machine Company. Education Department. Ropa para deportistas. Limusa.
Cita Chicago (17th ed.)
Singer Sewing Machine Company. Education Department. Ropa Para Deportistas. México: Limusa.
Cita MLA (9th ed.)
Singer Sewing Machine Company. Education Department. Ropa Para Deportistas. Limusa.
Atenció: Aquestes cites poden no estar 100% correctes.