Gaya APA

Soon, T, Y. (2009). Clean, Green And Blue : Singapore's Journey Towards Enviromental And Water Sustainability (Cet.1). Pasir Panjang: ISEAS Publishing.

Gaya MLA

Soon, Tan, Yong. "Clean, Green And Blue : Singapore's Journey Towards Enviromental And Water Sustainability". Cet.1 Pasir Panjang: ISEAS Publishing, 2009. FKIP-Geografi.