1. Hari Narayana, NS and Nalini, KR. (1994). Changing Dimension of Libraries and their implication to library science education, Herald of Library Science. 332(1-2), 11-17.
2. Young, Heartstill, Ed. (1983). The American Library Association Glossary of Library Science. Chicago:  ALA  p.130.
3. Ibid.
4. Prytherch, Ray Comp.(2005).  Harrod’s Librarian Glossary and Reference Book. Hants: Ashgate Pub. Co. p.418.
5. Clark, Audrey N. (1990). The Penguin Dictionary of Geography. London: Penguin Books. p.130.
6. Chopra, Ramesh Ed. (2005). Academic Dictionary of Social Sciences. Delhi:  Isha Books. p. 300.
7. Pearsall, Judy Ed. (2003). Concise Oxford English Dictionary New Delhi:  Oxford University Press. p.1362.
8. Johannsen Hano and G. Terry. (1983). International Dictionary of Management. New Delhi: Vision Books. p.205-6.
9. Christine, Ammer and S. Dean Ammer. (1977). Dictionary of Business and Economics. New York:  McMillan Publishing Co. p.132.
10. Bloomsbury. (2005). Concise English Dictionary. London:  A&C Black. p.799.
11. Hartmann, RRK and James Gregary.(1998). Dictionary of Lexicography. London: Routledge. p.88.
12. Singh, Chandrakanta P. Ed. (2004). Dictionary of Media and Journalism: TV, Radio and Internet. New Delhi:  I.K. International Pvt. Ltd.. p.50.
13. Biswas, AR. (1982). Encyclopaedic Law Dictionary. Calcutta: Deep Books Eastern Law House. p.425.
14. Cowie, A P. Ed. (1989). Oxford Advanced Learner’s Dictionary. Oxford: Oxford University press. p.768.
15. Hanson, JL.(1974). A Dictionary of Economics and Commerce. London: The English Language Book Society and McDonald & Evans. p.84.
16. Stocks, Adrian, V. (1985). Concise Encyclopedia of Information Technology. Hants : Gower. p.114-15.
17. Landu, Sidney Ed.(1978). Webster Illustrated Contemporary Dictionary. Chicago: J.G. Fergusen. p.225
18.  p.562
19. Singh, Surendra P. Comp. & Ed. (2002). Dictionary of Psychology. New Delhi:  Reliance Publishing House. p. 183.
20. Pearson Judy Ed. (2003).  op.cit. p. 1073. a