| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Tarcisio Flores da Silva |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Otavio Neto |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Nairon Pereira de Lira |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Leonardo Rotondo Pinto |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
