APA (7 ম সংস্করণ) উদ্ধৃতি

Bulatao, R. A. (1989). Europe, Middle East, and Africa (EMN) region population projections (1989-90 ed.). Population and Human Resources Dept., World Bank.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Bulatao, Rodolfo A. Europe, Middle East, and Africa (EMN) Region Population Projections. 1989-90 ed. Washington, D.C: Population and Human Resources Dept., World Bank, 1989.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Bulatao, Rodolfo A. Europe, Middle East, and Africa (EMN) Region Population Projections. 1989-90 ed. Population and Human Resources Dept., World Bank, 1989.