Locklin, D. P. (1966). Economics of transportation. R. D. Irwin.
Citación estilo ChicagoLocklin, David Philip. Economics of Transportation. Homewood, Ill.: R. D. Irwin, 1966.
Cita MLALocklin, David Philip. Economics of Transportation. R. D. Irwin, 1966.
Warning: These citations may not always be 100% accurate.