Lua APA (7ú heag.)
Nagpal, D. (2005). Multiple choice question bank in computer science for competitions. S.Chand.
Lua i Stíl Chicago (17ú heag.)
Nagpal, D.P. Multiple Choice Question Bank in Computer Science for Competitions. New Delhi: S.Chand, 2005.
Lua MLA (9ú heag.)
Nagpal, D.P. Multiple Choice Question Bank in Computer Science for Competitions. S.Chand, 2005.
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