APA সাইটেশন

Spigel, M. R. (1971). Schaum's Outline of Theory and Problems of Calculus of Finite Differences and Difference Equations. New York: McGraw-Hill.

শিকাগো স্টাইলে সাইটেশন

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

এমএলএ সাইটেশন

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