APA-viite

Singh,, G. (2011). Digital libraries and digitization. Ess Ess.

Chicago-tyylinen lähdeviittaus

Singh,, Gurdev. Digital Libraries and Digitization. New Delhi: Ess Ess, 2011.

MLA-viite

Singh,, Gurdev. Digital Libraries and Digitization. Ess Ess, 2011.