| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Alirio Blanquiceth |
|
1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
| Juan Fortunato |
|
1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
| Ramón Barreto |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Celier Vargas |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Tito Villarreal |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
Paraguay