Gupta,B M. (1990). Hand book of libraries, archives and information centres in India v.7: Science and technology information systems and centres. Aditya Prakashan.
শিকাগো স্টাইলে সাইটেশনGupta,B M. Hand Book of Libraries, Archives and Information Centres in India V.7: Science and Technology Information Systems and Centres. Delhi: Aditya Prakashan, 1990.
এমএলএ সাইটেশনGupta,B M. Hand Book of Libraries, Archives and Information Centres in India V.7: Science and Technology Information Systems and Centres. Aditya Prakashan, 1990.
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