Dyfyniad APA

Shabir Ahmad & Bilal Ahmad. (2019). Library and information science: Concepts, practices & services. Ess Ess.

Dyfyniad Arddull Chicago

Shabir Ahmad and Bilal Ahmad. Library and Information Science: Concepts, Practices & Services. New Delhi: Ess Ess, 2019.

Dyfyniad MLA

Shabir Ahmad and Bilal Ahmad. Library and Information Science: Concepts, Practices & Services. Ess Ess, 2019.

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