William, W. et al.(1987).Structural dynamics by finite elements / William Weaver, Paul R. Johnston; editor, W.J. Hall .Englewood Cliffs:Prentice-Hall.
Gaya MLA
Weaver, William. et al."Structural dynamics by finite elements / William Weaver, Paul R. Johnston; editor, W.J. Hall".Englewood Cliffs:Prentice-Hall,1987.Textbook.