APA
Hubbard T. N., . (1998). Why are process monitoring technologies valuable? : the use of on-board information technology in the trucking industry. Cambridge, Mass: National Bureau of Economic Research.
Chicago
Hubbard Thomas N, . 1998. Why are process monitoring technologies valuable? : the use of on-board information technology in the trucking industry. Cambridge, Mass: National Bureau of Economic Research.
Harvard
Hubbard T. N., . (1998). Why are process monitoring technologies valuable? : the use of on-board information technology in the trucking industry. Cambridge, Mass: National Bureau of Economic Research.
MLA
Hubbard Thomas N, . Why are process monitoring technologies valuable? : the use of on-board information technology in the trucking industry. Cambridge, Mass: National Bureau of Economic Research. 1998.