Howe, J. D. G. F. (1971). Kenya 60-point traffic census: Design and results for 1970. Road Research Laboratory.
Cita Chicago Style (17a ed.)Howe, J. D. G. F. Kenya 60-point Traffic Census: Design and Results for 1970. Crowthorne, Berkshire: Road Research Laboratory, 1971.
Cita MLA (9a ed.)Howe, J. D. G. F. Kenya 60-point Traffic Census: Design and Results for 1970. Road Research Laboratory, 1971.
Precaución: Estas citas no son 100% exactas.