APA সাইটেশন

Day, C. E. (2000). Call center operations: Profiting from teleservices. New York: McGraw-Hill.

শিকাগো স্টাইলে সাইটেশন

Day, Charles E. Call Center Operations: Profiting From Teleservices. New York: McGraw-Hill, 2000.

এমএলএ সাইটেশন

Day, Charles E. Call Center Operations: Profiting From Teleservices. New York: McGraw-Hill, 2000.