| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| César Córdova |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Luis Solorzano |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| José Vera |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
