Cita APA (7a ed.)

Ooi, G. L. (1999). Model cities. Urban best practices. Ooi Giok Ling.

Cita Chicago Style (17a ed.)

Ooi, Giok Ling. Model Cities. Urban Best Practices. Singapur: Ooi Giok Ling, 1999.

Cita MLA (9a ed.)

Ooi, Giok Ling. Model Cities. Urban Best Practices. Ooi Giok Ling, 1999.