| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Jorge Broggi |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Álvaro Carranza |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Wenceslao Meneses |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Yamil Possi |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
