Gaya APA

Perera, , H, S. (1989). Development of an Improved Highway-Vehicle-Object-Simulation Model for Multi-Faced Rigid Barriers . : s.n..

Gaya MLA

Perera, , Huron, S.. "Development of an Improved Highway-Vehicle-Object-Simulation Model for Multi-Faced Rigid Barriers". : s.n., 1989. Computer Software.