APA (7 वां संस्करण) प्रशस्ति पत्र

Selvanathan, P. J. Singapore: The forbidding city / Puvan J. Selvanathan. Metropolis Now! : urban cultures in our global cities.(2000).

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Selvanathan, Puvan J. "Singapore: The Forbidding City / Puvan J. Selvanathan." Metropolis Now! : Urban Cultures in Our Global Cities.(2000) .

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Selvanathan, Puvan J. "Singapore: The Forbidding City / Puvan J. Selvanathan." Metropolis Now! : Urban Cultures in Our Global Cities.(2000), .