APA
"UNITED NATIONS I. E. A. S. A. (. o., "UNITED NATIONS I. E. A. S. A. (. o., . (1983). Recent levels and trends of contraceptive use as assessed in 1983. New: York United Nations.
Chicago
"UNITED NATIONS INTERNATIONAL ECONOMIC AND SOCIAL AFFAIRS (Deptt of-)", "UNITED NATIONS INTERNATIONAL ECONOMIC AND SOCIAL AFFAIRS (Deptt of-)", . 1983. Recent levels and trends of contraceptive use as assessed in 1983. New: York United Nations.
Harvard
"UNITED NATIONS I. E. A. S. A. (. o., "UNITED NATIONS I. E. A. S. A. (. o., . (1983). Recent levels and trends of contraceptive use as assessed in 1983. New: York United Nations.
MLA
"UNITED NATIONS INTERNATIONAL ECONOMIC AND SOCIAL AFFAIRS (Deptt of-)", "UNITED NATIONS INTERNATIONAL ECONOMIC AND SOCIAL AFFAIRS (Deptt of-)", . Recent levels and trends of contraceptive use as assessed in 1983. New: York United Nations. 1983.
