World Fertility Survey. (1984). World Fertility Survey: Major findings and implications. World Fertility Survey.
Chicago-viite (17. p.)World Fertility Survey. World Fertility Survey: Major Findings and Implications. London: World Fertility Survey, 1984.
MLA-viite (8. p.)World Fertility Survey. World Fertility Survey: Major Findings and Implications. World Fertility Survey, 1984.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.