APA-viite (7. p.)

Teo, Y., & Aspalter, C. (2021). The Singaporean welfare state system: With special reference to public housing and the CPF. Routledge.

Chicago-viite (17. p.)

Teo, Youyenn, ja Christian Aspalter. The Singaporean Welfare State System: With Special Reference to Public Housing and the CPF. Routledge, 2021.

MLA-viite (9. p.)

Teo, Youyenn, ja Christian Aspalter. The Singaporean Welfare State System: With Special Reference to Public Housing and the CPF. Routledge, 2021.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.