Gaya APA

S., M, , K. (1960). An IntroductionTo The Calculus of Finite Differences and Difference Equations . New York: Henry Holt and Company.

Gaya MLA

S., Miller, , Kenneth. "An IntroductionTo The Calculus of Finite Differences and Difference Equations". New York: Henry Holt and Company, 1960. Text.