APA (7th ed.) Citation

Observe Reserch Foundation. (2000). India: 2000- observer statistical hand book. O.R.F.].

Chicago Style (17th ed.) Citation

Observe Reserch Foundation. India: 2000- Observer Statistical Hand Book. New Delhi: O.R.F.], 2000.

MLA (9th ed.) Citation

Observe Reserch Foundation. India: 2000- Observer Statistical Hand Book. O.R.F.], 2000.