| Copa Libertadores 1979 - Appearances as Referee |  |
 |
 |
||||
| 08/04/1979 | El Nacional | - | Peñarol | 0:2 | - | - | - |
| 22/07/1979 | Club Olimpia | - | Boca Juniors | 2:0 | - | - | - |
| Copa Libertadores 1979 - Appearances as Referee | |
|
|
||||
| 08/04/1979 | El Nacional | - | Peñarol | 0:2 | - | - | - |
| 22/07/1979 | Club Olimpia | - | Boca Juniors | 2:0 | - | - | - |
| Complete name: | Gastón Edmundo Castro Makuc |
| Born: | 23/08/1948 |
| Place of birth: |
Chile |
| Nationality: |
Chile |