APA
National Capital Region Planning Board (New Delhi), . (2000). National capital region directory. New Delhi: National Capital Region Planning Board.
Chicago
National Capital Region Planning Board (New Delhi), . 2000. National capital region directory. New Delhi: National Capital Region Planning Board.
Harvard
National Capital Region Planning Board (New Delhi), . (2000). National capital region directory. New Delhi: National Capital Region Planning Board.
MLA
National Capital Region Planning Board (New Delhi), . National capital region directory. New Delhi: National Capital Region Planning Board. 2000.