APA (7th ed.) Citation

(1990). Stefan Stambolov: Bio-bibliografski ukazatel.

Chicago Style (17th ed.) Citation

Stefan Stambolov: Bio-bibliografski Ukazatel. Veliko Tărnovo, 1990.

MLA (9th ed.) Citation

Stefan Stambolov: Bio-bibliografski Ukazatel. 1990.

Warning: These citations may not always be 100% accurate.