of Singapore". National Environment Agency, Singapore. Diarsipkan dari versi asli tanggal 2006-10-06. Diakses tanggal 14 April 2006. "Singapore National
Kepulauan Cocos (Keeling). "Carl Alexander Gibson-Hill". Tan, Bonny. NationalLibrary, Singapore. 29 February 2008. Diarsipkan dari versi asli tanggal 9 May 2009
gerbang stasiun. Pintu A - Bras Basah Road, Bras Basah Complex, NationalLibrary, Singapore Art Museum, Oxford Hotel, Royals at Queens Hotel, Hotel Grand