Spiegel, M. R. (1971). Schaum's outline of theory and problems of calculus of finite differences and difference equations. New York: McGraw-Hill.
Citação norma ChicagoSpiegel, Murray R. Schaum's Outline of Theory and Problems of Calculus of Finite Differences and Difference Equations. New York: McGraw-Hill, 1971.
Citação norma MLASpiegel, Murray R. Schaum's Outline of Theory and Problems of Calculus of Finite Differences and Difference Equations. New York: McGraw-Hill, 1971.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.