APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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