APA Цитирование

Spiegel, M. R. (1971). Schaum's outline of theory and problems of calculus of finite differences and difference equations (23.).

Chicago-стиль цитирования

Spiegel, Murray R. Schaum's Outline of Theory and Problems of Calculus of Finite Differences and Difference Equations. 23. McGraw-Hill book Co, Inc, New York, 1971.

MLA-цитирование

Spiegel, Murray R. Schaum's Outline of Theory and Problems of Calculus of Finite Differences and Difference Equations. 23. 1971.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.