Danrita, J., & Babu, V. R. M. (2009). Future concepts of library & information services: Changes, challenges and role of library professionals. Ess Ess Publications.
シカゴスタイル引用形Danrita, J., , V.P. Ramesh Marichamy Babu. Future Concepts of Library & Information Services: Changes, Challenges and Role of Library Professionals. New Delhi: Ess Ess Publications, 2009.
MLA引用形式Danrita, J., , V.P. Ramesh Marichamy Babu. Future Concepts of Library & Information Services: Changes, Challenges and Role of Library Professionals. Ess Ess Publications, 2009.
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