Παραπομπή APA

Danrita, J., & Babu, V. R. M. (2009). Future concepts of library & information services: Changes, challenges and role of library professionals. Ess Ess Publications.

Παραπομπή Chicago Style

Danrita, J., και V.P. Ramesh Marichamy Babu. Future Concepts of Library & Information Services: Changes, Challenges and Role of Library Professionals. New Delhi: Ess Ess Publications, 2009.

Παραπομπή MLA

Danrita, J., και V.P. Ramesh Marichamy Babu. Future Concepts of Library & Information Services: Changes, Challenges and Role of Library Professionals. Ess Ess Publications, 2009.