Lutfiah, U., Besral, & Herdayati, M. (2017). Individual and Regional Factors that Affect Fertility Rates in Five Provinces of Indonesia. Universitas Indonesia.
Chicago-viite (17. p.)Lutfiah, Umi, Besral, ja Milla Herdayati. Individual and Regional Factors That Affect Fertility Rates in Five Provinces of Indonesia. Universitas Indonesia, 2017.
MLA-viite (9. p.)Lutfiah, Umi, et al. Individual and Regional Factors That Affect Fertility Rates in Five Provinces of Indonesia. Universitas Indonesia, 2017.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.