Tan, Y. S. (2009). Clean, Green and Blue: Singapore's Journey Towards Environmental and Water Sustainability. Institute of Southeast Asian Studies.
Chicago-Zitierstil (17. Ausg.)Tan, Yong Soon. Clean, Green and Blue: Singapore's Journey Towards Environmental and Water Sustainability. Singapore: Institute of Southeast Asian Studies, 2009.
MLA-Zitierstil (9. Ausg.)Tan, Yong Soon. Clean, Green and Blue: Singapore's Journey Towards Environmental and Water Sustainability. Institute of Southeast Asian Studies, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.