APA
"United Nations E. a. S. A. (. o., "United Nations E. a. S. A. (. o., . (1958). Recent trends in fertility in industrialized countries. New: York The Author.
Chicago
"United Nations Economic and Social Affairs (deppt of-)", "United Nations Economic and Social Affairs (deppt of-)", . 1958. Recent trends in fertility in industrialized countries. New: York The Author.
Harvard
"United Nations E. a. S. A. (. o., "United Nations E. a. S. A. (. o., . (1958). Recent trends in fertility in industrialized countries. New: York The Author.
MLA
"United Nations Economic and Social Affairs (deppt of-)", "United Nations Economic and Social Affairs (deppt of-)", . Recent trends in fertility in industrialized countries. New: York The Author. 1958.
