| NCID | DA18972953 |
| 名称(HDNG) | Humphreys, Brad R. |
| 注記(NOTE) | SRC:The economics of sports betting / edited by Plácido Rodríguez, Brad R. Humphreys, Robert Simmons (Edward Elgar, c2017): t.p. (Brad R. Humphreys, Department of Economics, West Virginia University, USA) |
| LCAID | n2008013461 |