Krell, K., Ernst, R., & Lenz, K. (1978). Costs and Benefits of General Speed Limits (Maximum and Minimum Speeds): Report of the Thirty-Seventh Round Table on Transport Economics Held in Paris on 24th and 25th February, 1977. OECD Publishing.
Cita Chicago Style (17a ed.)Krell, Karl, R. Ernst, y Karl-Heinz Lenz. Costs and Benefits of General Speed Limits (Maximum and Minimum Speeds): Report of the Thirty-Seventh Round Table on Transport Economics Held in Paris on 24th and 25th February, 1977. Paris: OECD Publishing, 1978.
Cita MLA (9a ed.)Krell, Karl, et al. Costs and Benefits of General Speed Limits (Maximum and Minimum Speeds): Report of the Thirty-Seventh Round Table on Transport Economics Held in Paris on 24th and 25th February, 1977. OECD Publishing, 1978.
