Instituto Brasileiro de Informação em Ciência e Tecnologia

APA (7 ম সংস্করণ) উদ্ধৃতি

Não informado. (1948). Demographic Yearbook. United Nations, Department of Economic and Social Affairs, Statistical Office.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Não informado. Demographic Yearbook. New York: United Nations, Department of Economic and Social Affairs, Statistical Office, 1948.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Não informado. Demographic Yearbook. United Nations, Department of Economic and Social Affairs, Statistical Office, 1948.