WILLIAM, N. (1993). SCHAUMS SERIES STRENGTH OF MATERIALS. MCGRAW HILL.
Chicago Style aipamenaWILLIAM, NASH. SCHAUMS SERIES STRENGTH OF MATERIALS. NEW-YORK: MCGRAW HILL, 1993.
MLA aipamenaWILLIAM, NASH. SCHAUMS SERIES STRENGTH OF MATERIALS. MCGRAW HILL, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.