APA-viite

Purushotham Tiwari. (2013). International encyclopaedia of library and information technology: V.3: Library and Information Science in digital age. APH Publishing.

Chicago-tyylinen lähdeviittaus

Purushotham Tiwari. International Encyclopaedia of Library and Information Technology: V.3: Library and Information Science in Digital Age. New Delhi: APH Publishing, 2013.

MLA-viite

Purushotham Tiwari. International Encyclopaedia of Library and Information Technology: V.3: Library and Information Science in Digital Age. APH Publishing, 2013.