Kelley, W. G., & Peterson, A. C. (2001). Difference equations: An introduction with applications (2nd ed.). Harcourt Academic Press.
Čikaški stil citiranjaKelley, Walter G., i Allan C. Peterson. Difference Equations: An Introduction with Applications. 2nd ed. San Diego: Harcourt Academic Press, 2001.
MLA način citiranjaKelley, Walter G., i Allan C. Peterson. Difference Equations: An Introduction with Applications. 2nd ed. Harcourt Academic Press, 2001.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.