Singapore. Centre for Liveable Cities & Singapore. National Environmental Agency. (2013). Sustainable environment: Balancing growth with the environment. Cengage Learning Asia Pte Ltd.
Citazione stile Chigago Style (17a edizione)Singapore. Centre for Liveable Cities e Singapore. National Environmental Agency. Sustainable Environment: Balancing Growth with the Environment. Singapore: Cengage Learning Asia Pte Ltd, 2013.
Citatione MLA (9a ed.)Singapore. Centre for Liveable Cities e Singapore. National Environmental Agency. Sustainable Environment: Balancing Growth with the Environment. Cengage Learning Asia Pte Ltd, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.