SPIEGEL, M. R. (1967). Theory and problems of theoretical mechanics: With an introduction to Lagrange's equations and. McGraw-Hill.
Cita Chicago (17th ed.)SPIEGEL, Murray R. Theory and Problems of Theoretical Mechanics: With an Introduction to Lagrange's Equations and. New York: McGraw-Hill, 1967.
Cita MLA (9th ed.)SPIEGEL, Murray R. Theory and Problems of Theoretical Mechanics: With an Introduction to Lagrange's Equations and. McGraw-Hill, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.