APA সাইটেশন

StClair, G. (1993). Customer service in the information environment.

শিকাগো স্টাইলে সাইটেশন

StClair, Guy. Customer Service in the Information Environment. London, Bowker Saur, 1993.

এমএলএ সাইটেশন

StClair, Guy. Customer Service in the Information Environment. 1993.