| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Georgi Yordanov |
|
2 | 0 | 1 | 1 | 1 | 0 | 0 | 0 |
| Angel Angelov |
|
2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
| Ahmed Ahmed |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Vihren Manev |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Nikola Popov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Gabriele Rossi |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Stanislav Stavrov |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Stanislav Todorov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Nikolay Yordanov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
