APA
"United Nations E. a. S. A. (. O., "United Nations E. a. S. A. (. O., . (1998). Handbook on civil registration and vital statistics system. New: York United Nations.
Chicago
"United Nations Economic and Social Affairs (Deptt Of-)", "United Nations Economic and Social Affairs (Deptt Of-)", . 1998. Handbook on civil registration and vital statistics system. New: York United Nations.
Harvard
"United Nations E. a. S. A. (. O., "United Nations E. a. S. A. (. O., . (1998). Handbook on civil registration and vital statistics system. New: York United Nations.
MLA
"United Nations Economic and Social Affairs (Deptt Of-)", "United Nations Economic and Social Affairs (Deptt Of-)", . Handbook on civil registration and vital statistics system. New: York United Nations. 1998.