Estañero, R. A. Strength design for combined torsion shear and bending. Philippine Engineering Journal.
Cita Chicago (17th ed.)Estañero, Romeo A. "Strength Design for Combined Torsion Shear and Bending." Philippine Engineering Journal .
Cita MLA (9th ed.)Estañero, Romeo A. "Strength Design for Combined Torsion Shear and Bending." Philippine Engineering Journal, .
Atenció: Aquestes cites poden no estar 100% correctes.