"Conversion of SBS into a public company"(PDF). Singapore Government - The Ministry of Communications and the Ministry of Finance. 20 March 1978. Archived(PDF) from the original on 18 January 2024.
"Archived copy"(PDF). Archived(PDF) from the original on 18 November 2021. Retrieved 29 May 2020.{{cite web}}: CS1 maint: archived copy as title (link)
sgbuses.com
"SBS Transit". SGBuses.com. Archived from the original on 25 February 2022. Retrieved 1 March 2022.
"Conversion of SBS into a public company"(PDF). Singapore Government - The Ministry of Communications and the Ministry of Finance. 20 March 1978. Archived(PDF) from the original on 18 January 2024.
"Archived copy"(PDF). Archived(PDF) from the original on 18 November 2021. Retrieved 29 May 2020.{{cite web}}: CS1 maint: archived copy as title (link)