| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Enrique Labó Revoredo |
|
2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
| Juan Bava |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Ricardo Calabria |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| José de Assis Aragão |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Ernesto Filippi |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Nelson Rodríguez |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
Bolivia