APA
"United Nations I. E. &. S. A. (. o., "United Nations I. E. &. S. A. (. o., . (1988). First marriage. New: York United Nation.
Chicago
"United Nations International Economic & Social Affairs (Deptt of-)", "United Nations International Economic & Social Affairs (Deptt of-)", . 1988. First marriage. New: York United Nation.
Harvard
"United Nations I. E. &. S. A. (. o., "United Nations I. E. &. S. A. (. o., . (1988). First marriage. New: York United Nation.
MLA
"United Nations International Economic & Social Affairs (Deptt of-)", "United Nations International Economic & Social Affairs (Deptt of-)", . First marriage. New: York United Nation. 1988.