[http://www.streetdirectory.com/sg/peace-centre/1-sophia-road-228149/6719_21141.html]
[http://www.earthol.org/city-14.html]
[http://www.cathaypacific.com/cx/zh_HK.html]
[https://www.ducktours.com.sg/]
来自游记暑假新加坡6日自由行
[http://www.streetdirectory.com/sg/peace-centre/1-sophia-road-228149/6719_21141.html]
[http://www.earthol.org/city-14.html]
[http://www.cathaypacific.com/cx/zh_HK.html]
[https://www.ducktours.com.sg/]