| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Jorge Antequera |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Romualdo Arppi Filho |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Luis Barrancos |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Gastón Castro |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Roque Cerullo |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Walter Chatter |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| José de Assis Aragão |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| José Martínez Bazán |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Carlos Montalván |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| César Pagano |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Edison Pérez Núñez |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Hernán Silva |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
