"Background". Official Portal of City Council of Penang Island (MBPP). 9 October 2015. Archived from the original on 1 May 2017. Retrieved 10 June 2018.
"By Laws". Official Portal of Penang Island City Council (MBPP). 9 October 2015. Retrieved 9 December 2017.
"Organisation Chart". Official Portal of Penang Island City Council (MBPP). 9 October 2015. Archived from the original on 18 October 2016. Retrieved 1 January 2017.
"Background". Official Portal of City Council of Penang Island (MBPP). 9 October 2015. Archived from the original on 1 May 2017. Retrieved 10 June 2018.
"Organisation Chart". Official Portal of Penang Island City Council (MBPP). 9 October 2015. Archived from the original on 18 October 2016. Retrieved 1 January 2017.