APA সাইটেশন

Dragomir, S. S. (2011). Operator inequalities of ostrowski and trapezoidal type. Springer.

শিকাগো স্টাইলে সাইটেশন

Dragomir, Silvestru Sever. Operator Inequalities of Ostrowski and Trapezoidal Type. New York: Springer, 2011.

এমএলএ সাইটেশন

Dragomir, Silvestru Sever. Operator Inequalities of Ostrowski and Trapezoidal Type. Springer, 2011.