HRB-AASHO Joint Committee on Maintenance and Operations Personnel & National Research Council (U.S.). Highway Research Board. Progress report of HRB-AASHO Joint Committee on Maintenance and Operations Personnel. Highway Research Board.
芝加哥风格引文HRB-AASHO Joint Committee on Maintenance and Operations Personnel 与 National Research Council (U.S.). Highway Research Board. Progress Report of HRB-AASHO Joint Committee on Maintenance and Operations Personnel. Washington, D.C: Highway Research Board.
MLA引文HRB-AASHO Joint Committee on Maintenance and Operations Personnel 与 National Research Council (U.S.). Highway Research Board. Progress Report of HRB-AASHO Joint Committee on Maintenance and Operations Personnel. Highway Research Board.