APA সাইটেশন

Chopra, H. S. (1999). Library information technology in modern era, libraries and librarians in new millennium. Common Wealth Publishers.

শিকাগো স্টাইলে সাইটেশন

Chopra, H. S. Library Information Technology in Modern Era, Libraries and Librarians in New Millennium. New delhi: Common Wealth Publishers, 1999.

এমএলএ সাইটেশন

Chopra, H. S. Library Information Technology in Modern Era, Libraries and Librarians in New Millennium. Common Wealth Publishers, 1999.