APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (9वां संस्करण) प्रशस्ति पत्र

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

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