| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Georgi Kabakov |
|
2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
| Stefan Apostolov |
|
1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
| Georgi Davidov |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Georgi Ignatov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Ivan Kirilov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Borislav Kolev |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Tasko Taskov |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
