| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Jochen Drees | 4 | 2 | - | - | 2 |
| Carlos Simon | 1 | 1 | - | - | 1 |
| Salvio Fagundes | 1 | 1 | - | - | 1 |
| Carlos Batres | 1 | 1 | - | - | 1 |
| Francisco Chacon | 1 | 1 | - | - | 1 |
| Peter Sippel | 2 | 1 | - | - | 2 |
| Hector Baldassi | 2 | 1 | - | - | 2 |
| Jorge Larrionda | 3 | 1 | - | - | 3 |
P = Matches played,
C = Cards .