WILLIAM, N. (1993). SCHAUMS SERIES STRENGTH OF MATERIALS. MCGRAW HILL.
Cita Chicago (17th ed.)WILLIAM, NASH. SCHAUMS SERIES STRENGTH OF MATERIALS. NEW-YORK: MCGRAW HILL, 1993.
Cita MLA (9th ed.)WILLIAM, NASH. SCHAUMS SERIES STRENGTH OF MATERIALS. MCGRAW HILL, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.