Cohen, S. M. (2010). Keeping current: Advanced internet strategies to meet librarian and patron needs. Ess Ess.
শিকাগো স্টাইলে সাইটেশনCohen, Steven M. Keeping Current: Advanced Internet Strategies to Meet Librarian and Patron Needs. New Delhi: Ess Ess, 2010.
এমএলএ সাইটেশনCohen, Steven M. Keeping Current: Advanced Internet Strategies to Meet Librarian and Patron Needs. Ess Ess, 2010.
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