APA সাইটেশন

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

শিকাগো স্টাইলে সাইটেশন

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.

এমএলএ সাইটেশন

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