| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Walter Chatter |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Arnaldo Coelho |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Octavio Sierra |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
