World Fertility Survey. (1984). World Fertility Survey: Major findings and implications. World Fertility Survey.
Chicago Style aipamenaWorld Fertility Survey. World Fertility Survey: Major Findings and Implications. London: World Fertility Survey, 1984.
MLA aipamenaWorld Fertility Survey. World Fertility Survey: Major Findings and Implications. World Fertility Survey, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.