(2009). Clean, Green and Blue: Singapore's Journey Towards Environmental and Water Sustainability. [s.n.].
Citação do estilo Chicago (17ª ed.)Clean, Green and Blue: Singapore's Journey Towards Environmental and Water Sustainability. [S.l.]: [s.n.], 2009.
Citação MLA (9ª ed.)Clean, Green and Blue: Singapore's Journey Towards Environmental and Water Sustainability. [s.n.], 2009.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.