Tonchi, Victor L; Lindeke, William A; Grotpeter, John J (2012). Historical Dictionary of Namibia. Historical Dictionaries of Africa, African historical dictionaries (2 ed.). Scarecrow Press. ISBN9780810879904. Archived from the original on 21 April 2021. Retrieved 4 July 2016.
Tonchi, Victor L; Lindeke, William A; Grotpeter, John J (2012). Historical Dictionary of Namibia. Historical Dictionaries of Africa, African historical dictionaries (2 ed.). Scarecrow Press. ISBN9780810879904. Archived from the original on 21 April 2021. Retrieved 4 July 2016.
"Stationsnummer 68110"(PDF). Ministry of Energy, Utilities and Climate. Archived from the original on 16 January 2013. Retrieved 2 November 2016.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
"Mayoral Annual Report 2016"(PDF). windhoekcc.org.na. Windhoek. 2016. p. 34. Archived(PDF) from the original on 21 October 2020. Retrieved 21 October 2020.
"Twinning agreements". joburg.org.za. City of Johannesburg. Archived from the original on 26 October 2020. Retrieved 21 October 2020.
"Mayoral Annual Report 2016"(PDF). windhoekcc.org.na. Windhoek. 2016. p. 34. Archived(PDF) from the original on 21 October 2020. Retrieved 21 October 2020.