World Fertility Survey & Baum, S. (1974). The World Fertility Survey inventory, major fertility and related surveys conducted in Asia 1960-1973. International Statistical Institute ; World Fertility Survey.
Παραπομπή σε μορφή Chicago (17η εκδ.)World Fertility Survey και Samuel Baum. The World Fertility Survey Inventory, Major Fertility and Related Surveys Conducted in Asia 1960-1973. Voorburg : London: International Statistical Institute ; World Fertility Survey, 1974.
Παραπομπή σε μορφή MLA (8th εκδ.)World Fertility Survey και Samuel Baum. The World Fertility Survey Inventory, Major Fertility and Related Surveys Conducted in Asia 1960-1973. International Statistical Institute ; World Fertility Survey, 1974.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.