Kelley, W. G., & Peterson, A. C. (2001). Difference equations: An introduction with applications (2nd ed.). Harcourt Academic Press.
Citação norma ChicagoKelley, Walter G., e Allan C. Peterson. Difference Equations: An Introduction with Applications. 2nd ed. San Diego: Harcourt Academic Press, 2001.
Citação norma MLAKelley, Walter G., e Allan C. Peterson. Difference Equations: An Introduction with Applications. 2nd ed. Harcourt Academic Press, 2001.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.