| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Romualdo Arppi Filho |
|
1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
| Artemio Sención |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| José Vergara |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
