WILLIAM, N. (1993). SCHAUMS SERIES STRENGTH OF MATERIALS. MCGRAW HILL.
Čikaški stil citiranja (17. izdanje)WILLIAM, NASH. SCHAUMS SERIES STRENGTH OF MATERIALS. NEW-YORK: MCGRAW HILL, 1993.
MLA način citiranja (9. izdanje)WILLIAM, NASH. SCHAUMS SERIES STRENGTH OF MATERIALS. MCGRAW HILL, 1993.
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