APA-viite (7. p.)
Ooi, G. L. (2005). Sustainability and cities: Concept and assessment. World Scientific Pub..
Chicago-viite (17. p.)
Ooi, Giok Ling. Sustainability and Cities: Concept and Assessment. New Jersey: World Scientific Pub., 2005.
MLA-viite (9. p.)
Ooi, Giok Ling. Sustainability and Cities: Concept and Assessment. World Scientific Pub., 2005.
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