APA-referens (7:e uppl.)
World Cities Summit Singapore, Civil Service College, Singapore, Institute of Policy Studies (Singapore), ebrary, Inc, Ooi, G. L., & Yuen, B. K. P. (2010). World cities: Achieving liveability and vibrancy. World Scientific.
Chicago-referens (17:e uppl.)
World Cities Summit Singapore, Singapore Civil Service College, Institute of Policy Studies (Singapore), Inc ebrary, Giok Ling Ooi, och Belinda K. P. Yuen. World Cities: Achieving Liveability and Vibrancy. Singapore ; Hackensack, N.J.: World Scientific, 2010.
MLA-referens (9:e uppl.)
World Cities Summit Singapore, et al. World Cities: Achieving Liveability and Vibrancy. World Scientific, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.