| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Alberto Albornoz |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Aurelio Bossolino |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Roberto Goicoechea |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Erwin Hieger |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Armando Marques |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| César Orosco |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Paraguay