APA aipamena

Bulatao, R. A. (1989). Asia region population projections (1989-90 ed.). Population and Human Resource Dept., World Bank.

Chicago Style aipamena

Bulatao, Rodolfo A. Asia Region Population Projections. 1989-90 ed. Washington D.C: Population and Human Resource Dept., World Bank, 1989.

MLA aipamena

Bulatao, Rodolfo A. Asia Region Population Projections. 1989-90 ed. Population and Human Resource Dept., World Bank, 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.