| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Romualdo Arppi Filho |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Luis Barrancos |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Mario Canessa |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Vicente Llobregat |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Edison Pérez Núñez |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| José Adolfo Quirola |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Oscar Veiro |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
Uruguay