APA aipamena

Babu, D. (2003). India: 2003-Observer statistical handbook. Rupa & Co.

Chicago Style aipamena

Babu, D. India: 2003-Observer Statistical Handbook. New Delhi: Rupa & Co, 2003.

MLA aipamena

Babu, D. India: 2003-Observer Statistical Handbook. Rupa & Co, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.