Παραπομπή σε μορφή APA (7η εκδ.)

Spiegel, M. R. (1971). Schaum's outline of theory and problems of calculus of finite differences and difference equations. McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Spiegel, Murray R. Schaum's Outline of Theory and Problems of Calculus of Finite Differences and Difference Equations. New York: McGraw-Hill, 1971.

Παραπομπή σε μορφή MLA (9th εκδ.)

Spiegel, Murray R. Schaum's Outline of Theory and Problems of Calculus of Finite Differences and Difference Equations. McGraw-Hill, 1971.