National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, University of Maryland. Dept. of Civil and Environmental Engineering, & Carter, E. C. (2001). Effective motivation of highway maintenance personnel: Tools for peak performance.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, University of Maryland. Dept. of Civil and Environmental Engineering, và Everett C. Carter. Effective Motivation of Highway Maintenance Personnel: Tools for Peak Performance. Washington, DC, 2001.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)National Cooperative Highway Research Program, et al. Effective Motivation of Highway Maintenance Personnel: Tools for Peak Performance. 2001.