Purushotham Tiwari. (2013). International encyclopaedia of library and information technology: V.3: Library and Information Science in digital age. APH Publishing.
Styl ChicagoPurushotham Tiwari. International Encyclopaedia of Library and Information Technology: V.3: Library and Information Science in Digital Age. New Delhi: APH Publishing, 2013.
Citace podle MLAPurushotham Tiwari. International Encyclopaedia of Library and Information Technology: V.3: Library and Information Science in Digital Age. APH Publishing, 2013.
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