Ditšhupetšo tša methopo
- Department of Transport - SA Learner Driver Manual: Road Traffic Signs (practicek53.co.za) · 1.00, June 2012 · letlakala 41
- SADC Road Traffic Signs Manual, Volume 4 Chapter 4: Location and Route Marker Sign Design · Department of Transport · 2012-05 · letlakala 4, 6, 8
- SADC Road Traffic Signs Manual, Volume 1 Chapter 4: Guidance Signs · Department of Transport · 2012-05 · letlakala 140, 142, 144
