APA
"United Nations I. e. a. S. A. (. o., "United Nations I. e. a. S. A. (. o., . (1986). Socio economic development and fertility decline i. NY: UN.
Chicago
"United Nations International economic and Social Affairs (Deptt of-)", "United Nations International economic and Social Affairs (Deptt of-)", . 1986. Socio economic development and fertility decline i. NY: UN.
Harvard
"United Nations I. e. a. S. A. (. o., "United Nations I. e. a. S. A. (. o., . (1986). Socio economic development and fertility decline i. NY: UN.
MLA
"United Nations International economic and Social Affairs (Deptt of-)", "United Nations International economic and Social Affairs (Deptt of-)", . Socio economic development and fertility decline i. NY: UN. 1986.
