The Pretoria trolleybus system was part of the public transport network in Pretoria, South Africa, for more than 30 years in the mid-twentieth century. The trolleybus system was opened in 1939 and was closed in 1972, lasting for over 32 years.
Beeton, Frank (November 2011). "The time of the trolleybus". FOCUS On Transport and Logistics. FOCUS On Transport and Logistics. Retrieved 2 March 2012.
Pabst, Martin (1989). Tram & Trolley in Africa. Krefeld: Röhr Verlag. ISBN3-88490-152-4. (in English and German)
Patton, Brian (2004). Double-Deck Trolleybuses of the World: Beyond the British Isles. Brora, Sutherland: Adam Gordon. ISBN978-1-874422-50-1.