Govt. of India. (1989). Statistical pocket book: India 1989. Govt. of India.
Chicago Style aipamenaGovt. of India. Statistical Pocket Book: India 1989. Govt. of India, 1989.
MLA aipamenaGovt. of India. Statistical Pocket Book: India 1989. Govt. of India, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.