(1989). British Standard Automobile Series : Specification For Dimensions Of ' 50 ' Fifth Wheel King Pin For Semi-Trailers: BSI. London: BSI.
Chicago Style CitationBritish Standard Automobile Series : Specification For Dimensions Of ' 50 ' Fifth Wheel King Pin For Semi-Trailers: BSI. London: BSI, 1989.
MLA CitationBritish Standard Automobile Series : Specification For Dimensions Of ' 50 ' Fifth Wheel King Pin For Semi-Trailers: BSI. London: BSI, 1989.
Warning: These citations may not always be 100% accurate.