Gaya APA

Wong, T., Yuen, B. (2011). Eco-city Planning: Policies, Practice and Design . Singapura: Springer and Singapura Institute of Planners.

Gaya MLA

Wong, Tai-Chee., Yuen, Belinda. "Eco-city Planning: Policies, Practice and Design". Singapura: Springer and Singapura Institute of Planners, 2011. Text.