APA (7th ed.) Citation
Els, P. (2013). Suspension forces on a tri-axle air suspended semi-trailer. University of Pretoria.
Chicago Style (17th ed.) Citation
Els, P.S. Suspension Forces on a Tri-axle Air Suspended Semi-trailer. University of Pretoria, 2013.
MLA (9th ed.) Citation
Els, P.S. Suspension Forces on a Tri-axle Air Suspended Semi-trailer. University of Pretoria, 2013.
Warning: These citations may not always be 100% accurate.