"Population by States and Ethnic Group". Department of Information, Ministry of Communications and Multimedia, Malaysia. 2015. Diarkibkan daripada yang asal pada 12 February 2016. Dicapai pada 12 February 2015.
"LAPORAN KAJIAN SEMULA PERSEMPADANAN"(PDF). Election Commission of Malaysia. Election Commission of Malaysia. 31 March 2018. Dicapai pada 13 April 2018.
web.archive.org
"Population by States and Ethnic Group". Department of Information, Ministry of Communications and Multimedia, Malaysia. 2015. Diarkibkan daripada yang asal pada 12 February 2016. Dicapai pada 12 February 2015.