| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Georgi Kabakov |
|
3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
| Stanislav Todorov |
|
2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| Nikolay Yordanov |
|
2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
| Georgi Ignatov |
|
1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
| Borislav Kolev |
|
1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
| Vihren Manev |
|
1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| Georgi Davidov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Radan Miryanov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Nikola Popov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Radoslav Stanev |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Tasko Taskov |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Vladimir Valkov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Georgi Yordanov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Portugal