Khurana, R. (2013). Operating System. Vikas Pub House.
Lua i Stíl Chicago (17ú heag.)Khurana, Rohit. Operating System. Nodia: Vikas Pub House, 2013.
Lua MLA (9ú heag.)Khurana, Rohit. Operating System. Vikas Pub House, 2013.
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