United Nations. Department of International Economic and Social Affairs. (1980). Patterns of urban and rural population growth. United Nations.
Chicago Style aipamenaUnited Nations. Department of International Economic and Social Affairs. Patterns of Urban and Rural Population Growth. New York: United Nations, 1980.
MLA aipamenaUnited Nations. Department of International Economic and Social Affairs. Patterns of Urban and Rural Population Growth. United Nations, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.