| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Georges Buckley |
|
2 | 1 | 0 | 1 | 0 | 1 | 0 | 1 |
| Víctor Carrillo |
|
2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
| Ivan Chang |
|
2 | 0 | 2 | 0 | 0 | 1 | 0 | 0 |
| Julio Alvarez |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Henry Gambetta |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Diego Haro |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Sergio Pezzotta |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Carlos Vera |
|
1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 |
| Alejandro Villanueva |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
Paraguay