APA-viite

Tiwari,Purushotham. (2006). Digital Library. A H PPublishing Corporation.

Chicago-tyylinen lähdeviittaus

Tiwari,Purushotham. Digital Library. New Delhi: A H PPublishing Corporation, 2006.

MLA-viite

Tiwari,Purushotham. Digital Library. A H PPublishing Corporation, 2006.