APA Alıntı

Sewa Singh. (1997). Handbook of reference and information services. Crest Publishing House.

Chicago Stili Alıntı

Sewa Singh. Handbook of Reference and Information Services. New Delhi: Crest Publishing House, 1997.

MLA Alıntı

Sewa Singh. Handbook of Reference and Information Services. Crest Publishing House, 1997.

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