Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

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