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Miswardi, Jalil (5 November 1983). "Sixth MRT contract to Japanese firms". Singapore Monitor. p. 5. Archived from the original on 7 October 2021. Retrieved 19 February 2022 – via NewspaperSG.
Dhaliwal, Rav (4 November 1983). "Work on Outram MRT station begins in 2 months". The Straits Times. Singapore Press Holdings. p. 40. Archived from the original on 19 February 2022. Retrieved 19 February 2022 – via NewspaperSG.
"20 stations by next year". The Straits Times. 6 November 1987. Archived from the original on 10 September 2020. Retrieved 10 September 2020 – via NewspaperSG.
Dhaliwal, Rav (12 December 1987). "Shopping for Xmas the MRT way..."The Straits Times. Archived from the original on 24 January 2018. Retrieved 19 September 2017 – via NewspaperSG.
Leong, Chan Teik (20 January 1996). "Immediate Start for north-east line". The Straits Times. Singapore Press Holdings. p. 1. Archived from the original on 10 December 2021. Retrieved 10 December 2021.
Dhaliwal, Rav (29 August 1982). "North-south line off first". The Straits Times. Singapore Press Holdings. p. 1. Archived from the original on 19 December 2020. Retrieved 19 December 2020 – via NewspaperSG.
Miswardi, Jalil (5 November 1983). "Sixth MRT contract to Japanese firms". Singapore Monitor. p. 5. Archived from the original on 7 October 2021. Retrieved 19 February 2022 – via NewspaperSG.
Dhaliwal, Rav (4 November 1983). "Work on Outram MRT station begins in 2 months". The Straits Times. Singapore Press Holdings. p. 40. Archived from the original on 19 February 2022. Retrieved 19 February 2022 – via NewspaperSG.
"20 stations by next year". The Straits Times. 6 November 1987. Archived from the original on 10 September 2020. Retrieved 10 September 2020 – via NewspaperSG.
Dhaliwal, Rav (12 December 1987). "Shopping for Xmas the MRT way..."The Straits Times. Archived from the original on 24 January 2018. Retrieved 19 September 2017 – via NewspaperSG.
Leong, Chan Teik (20 January 1996). "Immediate Start for north-east line". The Straits Times. Singapore Press Holdings. p. 1. Archived from the original on 10 December 2021. Retrieved 10 December 2021.
Leong 2003, p. 47. Leong, Chan Teik (2003). Getting There: The Story of the North East Line. Singapore: Land Transport Authority. ISBN981-04-5886-X. OCLC53383062.
Leong 2003, p. 10. Leong, Chan Teik (2003). Getting There: The Story of the North East Line. Singapore: Land Transport Authority. ISBN981-04-5886-X. OCLC53383062.
Leong 2003, p. 55. Leong, Chan Teik (2003). Getting There: The Story of the North East Line. Singapore: Land Transport Authority. ISBN981-04-5886-X. OCLC53383062.
Leong 2003, p. 51. Leong, Chan Teik (2003). Getting There: The Story of the North East Line. Singapore: Land Transport Authority. ISBN981-04-5886-X. OCLC53383062.
Leong 2003, p. 48. Leong, Chan Teik (2003). Getting There: The Story of the North East Line. Singapore: Land Transport Authority. ISBN981-04-5886-X. OCLC53383062.